1A, 1/8" Adjustable Angle Steam Radiator Air Valve Zoom
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1A, 1/8" Adjustable Angle Steam Radiator Air Valve

SKU:401422

Brand: Hoffman

Hoffman
Qty Price
$24.95
/ each
$142.14 / box (6 units x $23.69)
In Stock! Ships in 24-48 Hours
(499 Available)
0

Resources

Specs

Application: Radiator Vent
Size: 1/8"
Type: Float-type Vent
System Type: Steam
Max Pressure: 10 psig
Max Operating Pressure: 1-1/2 psig
Mount: Angle
Adjustability: Adjustable
Material: Steel
Thread Type: Male
Temperature Range (F): 140°-240°F
Max Temp (F): 240°F
Min Temp (F): 140°F
Thread Size: 1/8"

Description for Hoffman 401422

Features:

  • Air Valve (non-vacuum)
  • Float-type vent
  • Adjustable port for true proportional venting v 6 port settings from slow (1) to fast (6)
  • 1/8" NPT angle connection
  • Maximum operating pressure 11.2 psig (0.1 bar) (Drop away pressure - maximum pressure against which the vent can open).
  • Maximum pressure 10 psig (0.7 bar)

1A, 1/8" Adjustable Angle Steam Radiator Air Valve

REVIEW SNAPSHOT®

by PowerReviews
Hoffman1A, 1/8" Adjustable Angle Steam Radiator Air Valve
 
4.7

(based on 53 reviews)

Ratings Distribution

  • 5 Stars

     

    (42)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

96%

of respondents would recommend this to a friend.

Pros

    Cons

      Best Uses

          • Primary use:
          • Personal (48), Business (5)

        Most Liked Positive Review

         

        Great Product

        I purchased a few of these to replace the old, cruddy and clogged valves on my house radiators. My house and it's heating system are very old and the radiators are the old wide...Read complete review

        I purchased a few of these to replace the old, cruddy and clogged valves on my house radiators. My house and it's heating system are very old and the radiators are the old wide and thick type. Before I purchased this particular valve, I bought some very cheap adjustable valves. They were extremely noisy, produced steam vapor, water mist, dripped and smelled when the heat was on.

        I like these Hoffman valves because they are very quiet and they don't produce any vapor or mist. They don't click on and off like some other valves. They don't drip. They are well constructed of a heavy chrome plated steel. Also, they are adjustable so that you can regulate how fast the heat comes up on each radiator. You know how some rooms seem to heat better than others. Actually, I can get heat quicker than I did before when I had my old non-adjustable valves. The only drawback for me is that they sometimes stick closed. One tap unsticks them. I attribute that to my old heating system. In my opinion this Hoffman valve is worth the cost. I may even try getting a couple of their non adjustable valves also.

        VS

        Most Liked Negative Review

         

        clogging problems

        These vents work fairly well once you figure out how to adjust them. The problem with adjusting them is due to slop on the cap on the top which allows it to move around...Read complete review

        These vents work fairly well once you figure out how to adjust them. The problem with adjusting them is due to slop on the cap on the top which allows it to move around so simply setting it to #1 or #2 doesn't mean much. If you move the cap a certain way it can vent just as fast at #1 as it can at #6.

        A much more annoying problem I have had with these vents is from time to time a small droplet of water forms in the vents opening at the top. This causes the radiator to either heat slower than normal or not at all. This happens randomly to all of my 10 radiators and is rather annoying. The temporary fix is to take a can of air with a straw and blow into the vent which clears it, at least until it happens again a week or a month later.

        I would recommend going with Gorton vents over these at least until they fix the problem.

        Reviewed by 53 customers

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        5.0

        Fast delivery, part works as expected

        By Home owner

        from Cincinnati, OH

        Verified Buyer

        Pros

          Cons

            Best Uses

              Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

              Easy ordering process with Pex, delivery was quick, valve works as expected. I am not a plumber, just a home owner. I found water on my floor near the radiator and after doing some online research determined it was the vent valve. I found the valve was very easy to replace and solved the water leak problem. It also helped with managing the heat in the room better.

              • Primary use:
              • Personal
               
              5.0

              Perfect heat regulation.

              By Kozura

              from Ypsilanti Mi

              Verified Buyer

              Pros

                Cons

                  Best Uses

                    Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                    I used these to update the old vents on my steam radiators. They are amazing and I can make my downstairs in my old Queen Anne finally warm and my upstairs not the inferno it used to be. Thanks much Pex Supply. The price was the best I could find, and no, this isn't somebody at Pex writing this review. Highly recommended for anyone with an old steam boiler and radiators.

                    • Primary use:
                    • Personal
                     
                    4.0

                    works well

                    By kotlevich

                    from jersey city, nj

                    Verified Buyer

                    Pros

                      Cons

                        Best Uses

                          Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                          works well, no complaints, no spitting of water, can be adjusted.
                          makes a metalic noise when it opens and closes + hissing.
                          when compared to mist -o maid, noise is intermittent in hoffman, as oposed to the other one where it is constant as long as the boiler is on.

                          • Primary use:
                          • Personal
                           
                          2.0

                          Wish these would let me sleep!

                          By Angel

                          from NJ

                          Verified Reviewer

                          Pros

                            Cons

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                                Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                                Bought 7 of these. Some of these make a hissing noise when steam goes through which is what I expected and I'm fine with, however some before hissing it does a tick noise first, hisses then a tack noise. Within any given minute it can do this tick, hissssss, tack noise about 2-3 times, very annoying!

                                • Primary use:
                                • Personal
                                 
                                5.0

                                Excellent choice!

                                By Ricker

                                from East Rochester NY

                                Verified Buyer

                                Pros

                                  Cons

                                    Best Uses

                                      Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                                      Super fast ship time, very impressed. Product easy to install, the self adjust feature is the way to go to fine tune to your needs, and the vents simply look like a quality product!

                                      • Primary use:
                                      • Personal
                                       
                                      5.0

                                      great product well made

                                      By heir crouden hassen

                                      from cape cod ma

                                      Verified Buyer

                                      Pros

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                                            Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                                            made in america

                                            • Primary use:
                                            • Business
                                             
                                            3.0

                                            Loud open/close

                                            By Ninjamac

                                            from Worcester, MA

                                            Verified Buyer

                                            Pros

                                              Cons

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                                                  Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                                                  It functions properly as expected. Has a very loud "PING" sound when opening and closing during normal operation.

                                                  • Primary use:
                                                  • Personal
                                                   
                                                  5.0

                                                  best

                                                  By joe

                                                  from ny

                                                  Verified Buyer

                                                  Pros

                                                    Cons

                                                      Best Uses

                                                        Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                                                        this is the best valve. the float actually closes in the event of high water and the temp is adjustable.

                                                        • Primary use:
                                                        • Business
                                                         
                                                        5.0

                                                        Worked great

                                                        By Bruce

                                                        from Lynchburg VA

                                                        Verified Buyer

                                                        Pros

                                                          Cons

                                                            Best Uses

                                                              Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                                                              Pex Supply is a great company to deal with....Will not hesitate to consult with them per pending purchase of a new boiler.

                                                              • Primary use:
                                                              • Personal
                                                               
                                                              5.0

                                                              Very good quality

                                                              By Rick

                                                              from Phippsburg, Colorado

                                                              Verified Buyer

                                                              Pros

                                                                Cons

                                                                  Best Uses

                                                                    Comments about 1A, 1/8" Adjustable Angle Steam Radiator Air Valve:

                                                                    I use these for very old steam radiator systems to help regulate the heat.

                                                                    • Primary use:
                                                                    • Business

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                                                                    Q&A: Ask the Questions, share answers

                                                                    Do you have questions about this product?

                                                                    get answers from real customers and in-house experts with AnswerBox.

                                                                    8 Questions | 26 Answers
                                                                    Displaying questions 1-8
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      What is the typical life span of an Air Vent ?

                                                                      I'm dealing with an 80 year old elementary school that thinks it's better to wire an empty coffee can beneath the vent to catch water than to renew the vents. Trying to educate them.
                                                                      Asked on 6/30/2014 by Bernie from Massachusetts

                                                                      4 answers

                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Hello,
                                                                        Disclaimer: I am not a licensed plumber or HVAC professional, just a guy with a 110-year old house that needed to figure out how single-pipe steam works in order to save money and keep my wife and kids warm. That being said, many vents can last for decades if cared for properly. In the case of your 80 year old elementary school, it sounds like you have "wet steam" if you're dripping water. Also, your existing vent probably doesn't have a float or the float is stuck due dirt/rust/age. This is what is causing water to spurt out. The Hoffman 1A vent is a good replacement and has a float. The float sits in alcohol, which has a lower boiling point than water. At the right temperature, it will pop up and prevent water/steam from leaking out. You may also want to check out Gorton vents, which also have floats. The Gorton vents aren't adjustable, however their "C" and "D" models purge air much more quickly, causing a radiator to warm up faster than the Hoffmans. Stay away from the junk (Maid o Mist) that you find in Lowes or Home Depot. Here is a link to a great article by Dan Holohan that explains more about vents for single-pipe steam. http://www.oldhousejournal.com/magazine/2004/nov/care.shtml Dan wrote a book on how to operate and maintain steam systems. It is titled, "We Got Steam Heat," and is available on Amazon. If you deal with steam heating systems frequently, it is definitely worth the purchase. Good luck!

                                                                        Answered on 7/1/2014 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        foryou use boiler condition er regularly you can expect them to work for 20+ years.
                                                                        Desn
                                                                        Sent from the Samsung Galaxy Rugby Pro, an AT&T LTE smartphone

                                                                        Answered on 6/30/2014 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Every year I replace all my vents for ~$150 (7 steam vents) -- it saves me
                                                                        having to call a plumber for boiler issues every winter save possible $400-600
                                                                        every year! If I let them go for two years I usually have to replace 2 or 3 vents
                                                                        That eventually fail

                                                                        Answered on 6/30/2014 by Anonymous
                                                                      • CUSTOMER CARE

                                                                        A:

                                                                        The manufacturer recommends replacing these Air Vents after 10 years of use.

                                                                        Answered on 7/1/2014 by SupplyHouse Staff from NY
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      I am working on a hot steam system. The radiator/vent is the farthest from the broiler and is normally the last to get hot. What should I do if the valve does not shut completely after the radiator gets hot? The valve has a slight whistle to it when the heat is on. Also is pipe dope suggested when replacing or after cleaning?

                                                                      FYI...after I hit preview I was asked to confirm that I am older than 13 years old. Should this say 18 years old?
                                                                      Asked on 11/19/2013 by charlie from penn wynne, pa

                                                                      4 answers

                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Two options
                                                                        Simplest (but not recommended) is to increase the pressure on your steam boiler cutoff. If it's at 4 psi increase it to 6. Risk is that if you may develop leaks where you had none before, plus your boiler will operate to a higher temperature, and be less efficient.
                                                                        Second option is most efficient, but takes the most time and costs the most money, but your heating bills will decrease (slightly).
                                                                        All radiators, regardless of how close or far from the boiler should fill at the exact same time. You can do this by buying adjustable air vent valves and putting them on all radiators. The radiators closest to your steam boiler should have air vents set to 1 or 2 (slow). At this setting the air vent has a tiny hole, which adds back pressure (choke) and slows the radiator steam fill time. The radiator furthest should be set to 6 (fast). This will reduce back pressure and have it fill the radiator faster. The goal is to have all radiator air vents adjusted so they all fill evenly. Half of the radiator "rungs" should be hot on all radiators at the same time, and then eventually all "rungs" should be hot at the same time on all radiators. The radiators will all fill to the same pressure, all vents will close and your house will be evenly heated.
                                                                        You will probably have to be there for 3 or 4 cycles before you have each air vent adjusted to the correct setting so they all heat up evenly. My final configuration was as follows
                                                                        Main floor: one radiator set at 1, two set at 2 and one set at 3
                                                                        Second floor: one radiator set at 4, two set at 5 and two set at 6
                                                                        These roughly correspond to how far away the radiators are from the steam boiler and the length of pipe they have to travel for both source and return..
                                                                        The air vents are stainless steel. Teflon tape works great. Whistling valves are not an issue so long as they eventually close. Last tip, make sure the radiator is slightly tilted to the steam feed/drain, otherwise you may have some water blowing out the air vent valves. I used nice shims under 2 of the radiator feet.

                                                                        Answered on 11/19/2013 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        You need to go to heatinghelp.com and do a little home work.
                                                                        -Michael

                                                                        Answered on 11/19/2013 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Hello. I had a similar challenge in my 108 year-old house. The radiator on my top floor was the last to get hot and it was always very chilly during winter. In my case, for that particular room, I didn't go with the Hoffman vent that you're looking at. Instead, I went with a Gorton D non-adjustable vent. Here is the link: http://www.pexsupply.com/Gorton-GDA-Gorton-No-D-Angle-Vapor-Equalizing-Valve-3537000-p The Gorton D purges air much more quickly than most other vents and it is meant for radiators that are at the greatest distance from the boiler. Since replacing, my top floor has been very warm on the coldest of winter days. There have even been a few occasions when I've had to crack a window to cool the room off. When replacing the vent, I just put a little bit of Teflon tape around the threads. It doesn't take much to make a nice seal...just a couple times around. Good luck!

                                                                        Answered on 11/19/2013 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        A whistle might indicate a poor seal between the valve and the radiator
                                                                        (hand tightening, even if it pushes the valve past straight up-and-down, is
                                                                        a fix) or buildup/fluid in the valve itself. If the latter, remove, tap out
                                                                        any water and consider dunking the hole thing in vinegar for a bit if
                                                                        there's any rust or whiteness to the water (or if there's no water). Worse
                                                                        comes to worst, replace the valves, especially if they're old, damaged, or
                                                                        missing any parts like the cap.

                                                                        Answered on 11/19/2013 by Anonymous
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      What setting should I use for the radiator that is closest to the boiler 1 0r 6?
                                                                      Asked on 11/12/2013 by Tony from Roselle, NJ

                                                                      5 answers

                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        The vent located near the boiler should be a "1". The vent located farthest from the boiler should be a "6".
                                                                        The install guide on th PEX website is very helpful.

                                                                        Answered on 11/13/2013 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        You should set it to 1 or 2.
                                                                        The installation instructions say the following:
                                                                        Setting (or Port No.) 1 or 2 =
                                                                        Radiation located nearest the boiler or areas that overheat
                                                                        Setting (or Port No.) 3 or 4 =
                                                                        Normal venting of radiation under normal conditions
                                                                        Setting (or Port No.) 5 or 6 =
                                                                        Radiation located farthest from the boiler or areas that are hard to heat.

                                                                        Answered on 11/13/2013 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        I think you want it to be more open closer to the boiler... i think 1 is
                                                                        closed and 6 is open but not positive.

                                                                        Answered on 11/13/2013 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        6 is the highest setting for the air valve. I would set it at 1, or you might even have to shut down that particular radiator altogether. I made changes to my system as a result of a renovation project (much to my disappointment) and I had to adjust the actual steam valve on those nearest the boiler. The balance of the system was better before the changes. Too late to go back now.
                                                                        Hope this info is helpful.

                                                                        Answered on 11/12/2013 by Anonymous
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Hello, there.
                                                                        Location shouldn't matter but, rather, the size of the radiator dictates how fast/slow to vent it. But post your question on the forum here: http://www.heatinghelp.com/Forum. These guys will definitely give you the full insight and details you need! :)
                                                                        Good luck!
                                                                        Jen

                                                                        Answered on 11/12/2013 by Anonymous
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      How many adjustable levels/numbers does the valve have? 1-5, or 1-10?
                                                                      Asked on 2/1/2012 by Carter from Portland, Maine

                                                                      3 answers

                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        six

                                                                        Answered on 3/5/2012 by bav from Pennsylvania
                                                                      • CUSTOMER CARE

                                                                        A:

                                                                        This valve has six settings: 1 & 2 (slow), 3 & 4 (medium), and 5 & 6 (fast).

                                                                        Answered on 2/1/2012 by PexSupply Staff from NY
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        It has 6 setings.

                                                                        Answered on 2/10/2012 by Seth from Louisville, KY
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      can this be use on a two pipe system? does two pipe system need air valve?
                                                                      Asked on 11/14/2011 by Anonymous

                                                                      1 answer

                                                                      • CUSTOMER CARE

                                                                        A:

                                                                        Yes this could be used on a two pipe steam system.

                                                                        Answered on 11/23/2011 by PexSupply Staff from NY
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      Can these be used on a one pipe system.
                                                                      Asked on 1/24/2011 by Brian from Bristol, CT

                                                                      5 answers

                                                                      • CUSTOMER CARE

                                                                        A:

                                                                        Yes, as long as it is a one-pipe steam system.

                                                                        Answered on 1/25/2011 by PexSupply Staff from NY
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Yes they can!

                                                                        Answered on 2/5/2011 by ERRRR from Succasunna, NJ
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Yes

                                                                        Answered on 4/15/2011 by Mahmoud from LI, NY
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Yes, I just installed a six pack of them on a one pipe system and they are working fine.

                                                                        For those who might read this and don't know what a one pipe system is it means that only one pipe enters the radiator. Steam enters the radiator, condenses into liquid water and gravity causes it to drain back down the same pipe to the boiler.

                                                                        Answered on 10/3/2011 by OldGuyinOh from New Madison Oh
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Absolutely..... My system is one pipe system and they are perfect.

                                                                        Answered on 11/1/2011 by NowBalanced from Mass.
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      How does a person clean the air valve?
                                                                      Asked on 11/19/2010 by b from ri

                                                                      1 answer

                                                                      • CUSTOMER CARE

                                                                        A:

                                                                        The manufacturer recommends boiling a 50/50 mixture of vinegar and water to use when cleaning the valve.

                                                                        Answered on 1/18/2011 by PexSupply Staff from NY
                                                                    • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve

                                                                      Q:

                                                                      what should I do if the vent is not allowing air to escape?
                                                                      Asked on 11/17/2010 by b from ri

                                                                      3 answers

                                                                      • CUSTOMER CARE

                                                                        A:

                                                                        The valve may be clogged and need to be cleaned. If that does not solve the problem, we would recommend replacing the valve.

                                                                        Answered on 11/18/2010 by PexSupply Staff from NY
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Try cleaning the vent in a vinegar solution. If that doesn't fix it, you need a new one, since the alcohol-filled capsule isn't working any more.

                                                                        Answered on 1/13/2011 by Varmint from Baltimore
                                                                      • VERIFIED BUYER

                                                                        A:

                                                                        Make certain that the variable valve top with numbers can move and there are no missing parts.
                                                                        Turn it to a higher number than 1; turn to 3 or 4.

                                                                        Be sure the radiator is turned on and you have given the furnace enough time to heat up to evaluate the results.

                                                                        Above all, make certain the variable valve has been seated and sealed properly on the radiator before all of the above has been completed.

                                                                        Answered on 12/9/2010 by Bill the happy heater from Brooklyn, NY
                                                                    Displaying questions 1-8

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