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Main product image of 1/8" HAV Auto Air Vent w/ Manual Override
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1/8" HAV Auto Air Vent w/ Manual Override

Brand:
Watts
SKU:
0590712
Rating:
(26)
Q&A:
(2)
1/8" HAV Auto Air Vent w/ Manual Override
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$18.81 each
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$450.50 box of 25
$18.02 each
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In Stock
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Product Highlights

Product Highlight: Size
1/8"
Product Highlight: System Type
Steam, Hydronic (Water)
Product Highlight: Max Temp (F)
240°F Max Temp
Product Highlight: Max Pressure
10 psi (steam), 125 psi
Product Highlight: Min Temp (F)
140°F Min Temp
Product Highlight: Temperature Range (F)
140°F - 240°F

Specs

Size:

1/8"

System Type:

Steam

Hydronic (Water)

Min Temp (F):

140°F

Max Temp (F):

240°F

Temperature Range (F):

140°F - 240°F

Max Pressure:

10 psi (steam)

125 psi

Test Pressure (PSI):

130 psi

Min Pressure (PSI):

1.45

Material:

Chromed Brass

Body Pattern:

Straight

Mount:

Straight

Adjustability:

Non-Adjustable

Thread Type:

Male

Thread Size:

1/8"

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CURRENT ITEM
Product Image of 1/8" HAV Auto Air Vent w/ Manual Override
1/8" HAV Auto Air Vent w/ Manual Override
SKU: 0590712
(26)
1/8"
Steam
Hydronic (Water)
140°F
240°F
140°F - 240°F
1/8"
Hydronic (Water)
Steam
140°F
240°F
140°F - 240°F

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Product Reviews

4.38 out of 26 reviews
87% would recommend this product
4.38
out of 26 Reviews
87% would recommend this product
WRITE A REVIEW
5 star
77%
4 star
8%
3 star
4%
2 star
0%
1 star
12%
WRITE A REVIEW

Most Liked Positive Review

Great Product

I've been looking for a product like this for a year ,i have radiators in my house and was tired of using a key and the short bleeders always made a mess trying to bleed the air out of the system , these are perfect and the added length makes bleeding a pleasure , i'm using them as manual valves right now till i can see how they perform as automatic bleeders , and this company ' supply house was a pleasure to deal with great customer service ' thanks guys & gals '
VS

Most Liked Negative Review

Leaking

These valves are good initially but after 1.5-2 years, they leak quietly when you don't know about it and ruin your walls and floors. I had two valves that leaked. A plumber told me that these would leak when I installed them on all my 12 radiators. I did not believe him and now I know he was right. They simply leak after period of time and unless you check them and boiler pressures you would not know. The first valve leaked and luckily I saw a puddle on the floor when I got home. The second one leaked 8 months later in my office and I noticed that air started gargling through radiator and boiler pressure gauge would drop even if I fill. it. I knew there was a leak somewhere. I found it. Now I went changed those two radiator valves. I'm just praying that no other valves leak till the end of season I am going to go and change all these valves back to the old fashioned key/coin valves, at least they don't leak.
Showing 1-10 of 26 reviews

I appreciate the quality, performance and value

Highly recommended. This product solved my issues with our radiators.
Tommyboyhnd
Hebron ND
1 years ago
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Yes

Vents made bleeding air from cast iron baseboard in a Monoflo system . Automatic bleeding was fast and very effective .
John
Maine
3 years ago
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Great product

Solved the problem of air in a neglected system.
BoilerMike
Bellingham, WA.
3 years ago
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Good product

Used in a hot water heat system.
Rick
MI
5 years ago
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Great replacement

I had a few corroded bleeders and these are a great upgrade for replacement. Simple hand turned screw makes this a much easier chore.
Caleb
Plymouth, CT
5 years ago
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Compact, easy install. Good fit in a tight slant fin.

I found these turn 'fully off' when clockwise, automatic when opened a quarter turn and manual when opened farther. They replaced B&G coin operated vents that were 58 years old and couldn't be opened.
Northern IN boiler
Northern Indiana
5 years ago
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They leak

I bought these and installed them Thinking they were a great idea and I did ignore the reviews that said they leak. Here are three reasons I'm go replace them after the heating season. 1. They leak. Here is the major problem with them even If they work properly. On a piping system with a check and a zone valve, if there is a leak - meaning the air leak it's designed to vent, what will stop air from going the other way when it cools down and dries? Nothing. Then the obvious water leak had that and when the cooling down occurred, air is put in system at start Up. 2. The discs are wet and there is a leak. In other words it does not work. Also shortly after install they become impossible to turn given the space you have and the plastic cover. This is due to the insides corroding together. So bleeding how means prying off the plastic cover and a wrench. 3. Overpriced.
Andrew nyc
NYC suburb
5 years ago
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great product

works perfect
Mike D.
New Jersey
6 years ago
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Leaking

These valves are good initially but after 1.5-2 years, they leak quietly when you don't know about it and ruin your walls and floors. I had two valves that leaked. A plumber told me that these would leak when I installed them on all my 12 radiators. I did not believe him and now I know he was right. They simply leak after period of time and unless you check them and boiler pressures you would not know. The first valve leaked and luckily I saw a puddle on the floor when I got home. The second one leaked 8 months later in my office and I noticed that air started gargling through radiator and boiler pressure gauge would drop even if I fill. it. I knew there was a leak somewhere. I found it. Now I went changed those two radiator valves. I'm just praying that no other valves leak till the end of season I am going to go and change all these valves back to the old fashioned key/coin valves, at least they don't leak.
VK
New York, NY
6 years ago
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Just what I needed!!

The thread size on these is not 1/8", the vent is 1/8". Measure before ordering!
Episcopal Vince
Allentown, PA
7 years ago
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Product Q&A

2 Questions
2 Questions
ASK A QUESTION

Q: Can this be used as the bleed screw? If so, can all of my bleed screws be replaced with these?

Asked by joe 13 years ago

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If these are being installed on hot water rads on separate zones , one per zone at the highest point is fine and keep the manual bleed valves in the middle as a rapid bleeder. I have installed on every cast iron rad with no problems.", but they are separate zones . At a minimum if you go to these, then one per zone at the highest point on each floor. Warren Watson

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I used these as my bleeder screws in my second floor rooms. Prior to installing these i had no bleeder screws and could not get circulation up there. After installation I had great flow and incredible heat. I was able to bleed out all of the air. Hope that helps. Good luck.

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Worked for me. I bought them for the hot water radiators in my 1924 Bungalow style home.

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It worked for me. Thanks, Arkady Vakser

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Yes Thank you!

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Q: For proper operation should it be in closed or open position?

Asked by Angelo 16 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

According to the manufacturer, this should be in a closed position.

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- cyrhere

Closed. There is a disc in the valve that swells when wet, shrinks when dry. Operates by drying out the disc when air is present, allowing air to escape. Once air is gone and water hits the disc it swells sealing or stopping any further water from coming out. I love these. Had an apartment that I had to bleed air out of the system several times a winter. Installed these vents, haven't touched the system since, no more air problems.

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