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This product does not comply with the "Safe Drinking Water Act,"
which requires that products used in any system providing water for human
consumption (drinking or cooking) to meet low-lead standards.
Please check the box below to confirm you are aware of that this item is for non-potable water applications only.
This product will NOT be used in the installation or repair of a potable water (human consumption) application.
You must agree to this statement in order to purchase this product.
This product was discontinued by the manufacturer.
Do not use this item for any installation or repair of potable water applications.
This product does not comply with the "Safe Drinking Water Act,"
which requires that products meet low-lead standards in order to be used in
systems providing water for human consumption (drinking or cooking).
This item is for non-potable (non-human consumption) water applications only.
Series 25AUB-Z3 Water Pressure Reducing Valves are used in commercial and residential applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption. It consists of a bronze body construction, union inlet connection, integral stainless steel strainer and high temperature resistant reinforced diaphragm for hot water.The Series 25AUB-Z3 is available with a variety of end connections including: threaded, solder, PEX and CPVC with both union and double union connections. Series 25AUB-Z3 has an adjustable pressure range and is serviceable in-line. Maximum Working Pressure: 300psi (21 bars), Adjustable Reduced Pressure Range: 25 to 75psi (172 to 517 kPa), Standard Pressure Setting: 50psi (344kPa).
(based on 29 reviews)
of respondents would recommend this to a friend.
Most Liked Positive Review
Nice reducer. I was impressed.
I had a situation that this house is located in the mountains and the city was raising the water pressure in order to get the water to the top of the mountain. With the...Read complete review
I had a situation that this house is located in the mountains and the city was raising the water pressure in order to get the water to the top of the mountain. With the pressure guage I purchased with this regulator, I found that the water pressure was rising to 160Lbs. and sometimes more. This was causing the popoff on the water heater to bleed off pressure over 180 the rating of the valve loosing hot water. Also faucets would leak when there wasn't a problem with them. Installing the regulator was somewhat easy. I cut into the existing copper line under the house. I added the adapters that will make it easy to just unscrew the unit if I need to replace it for some reason. I also added a valve past the regulator so that I could attach my pressure guage to check the pressure before I crawled out from under the house. I have tested the pressure over and over and it is working great.
Most Liked Negative Review
Has some construction issues
I used this product on an incoming water main line to our residence with input pressure of 80psi and I wanted to reduce it to 54psi.I like the product and it...Read complete review
I used this product on an incoming water main line to our residence with input pressure of 80psi and I wanted to reduce it to 54psi.I like the product and it appears well build and durable. However, the first two units installed were defective from the factory and they would allow outgoing pressure to "creep" from the 54psi setting all the way to 75psi within an hour.Upon the installation of the third unit the pressure has been holding precisely at 54psi now for the past couple of months and all is well.It just took me the time and effort to install three units to finally get a good one which we now have installed.
Reviewed by 29 customers
Displaying reviews 1-10
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By David Louis
from Comfort, Texas
Comments about Watts 3/4"" LF25AUB-Z3 Pressure Reducing Valve (Threaded F Union Inlet x NPT Threaded F Outlet):
Bottom Line No, I would not recommend this to a friend
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I would buy this product again
from SYRACUSE, NY
It lasted around 20 years
Bottom Line Yes, I would recommend this to a friend
By john the plumber
from frostburg md.
watts valves are always a good choice. I chose this valve for a commercial application and it has been working flawlessly.
Did the job as needed
from Pasadena, Texas
We were able to connect to the fire water line by reducing the pressure and have access to wash-down water from the same water source.
Keeps the pressure acurately
By Mansion Owner
from Pawtucket RI
Sent out quickly
Home water pressure regulator
from Salt Lake City, Utah
I was having problems with my house water pressure always climbing above my set point pressure. I am familiar with the Watts product line and was not hesitant to order it. The great thing is I have a wide selection with Pexsupply with all the data I need to make a knowledgeable choice. That's the reason I keep coming back.
Pressure reducing valve
from Jacksonville, FL
needed to reduce the pressure to one of our car wash pieces of equipment.
Installed easily in a vault outside. Used rock around it to give it drainage. Like the union end, wish pexsupply offered double unions but I used a brass union on the outlet side and it worked great. This is a quiet PRV. The factory setting was around 52 psi.
will buy from them again
Price and quick shipment. satisfied.
from Newnan, Ga.
Great product. Better quality than what you get at the box stores. Just wish you offered one with two unions.
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