- Provides an adjustable pressure relief range of 50 - 175 PSI
- Prevents pressure build-up in systems with water, oil or air
- Perfect for contractors and homeowners
- View More Details
How to Get It
Product Overview
This 1/2 in. lead free calibrated pressure relief valve has an adjustable pressure relief range of 50 to 175 psi. It is designed for use as protection against excessive pressure build-up in systems containing water, oil, and air. It is an excellent choice for both contractors and homeowners.
- Lead free brass body construction
- All stainless steel spring
- Adjustable pressure range 50 to 175 psi
- Maximum temperature 180°F
- California residents
Additional Resources
From the Manufacturer
Compare Similar Pressure Relief Valves
Top Rated |  |  |  | |
| Brand | Watts | Apollo | Apollo | Apollo |
| Name | 1/2 in. Lead Free Brass Pressure Relief Valve | 3/4 in. LF Brass Full Port Threaded Ball Valve with Integral Thermal Expansion Relief Valve 1/2 in. PEX Barb Outlet | 3/4 in. LF Brass Full Port PEX Barb Ball Valve with Integral Thermal Expansion Relief Valve 1/2 in. PEX Barb Outlet | 3/4 in. LF Brass Full Port PEX Barb Ball Valve with Integral Thermal Expansion Relief Valve 1/2 in. NPT/Solder Outlet |
| Price | Add to Cart to See Price | $4672 | $5492 | $5771 |
| Ratings | (33) | (0) | (0) | (0) |
| Connection | Male Pipe Thread | FIP | Barb | Barb |
| Inlet Diameter (In.) | 1/2 | 3/4 | 3/4 | 3/4 |
| Maximum Pressure (psi) | 300 PSI | 400 | 400 | 400 |
| Compatible Pipe Material | Brass | Multi-Purpose | PEX | PEX |
| Outlet Diameter (In.) | 1/2 | 1/2 | 1/2 | 1/2 |
| Application | Air,Oil,Potable Water | Potable Water | Potable Water | Potable Water |
| Maximum Working Temperature (F) | 180 | 210 | 210 | 210 |
| Material | Brass | Brass | Brass | Brass |
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
| Inlet Diameter (In.) | 1/2 | Outlet Diameter (In.) | 1/2 |
|---|---|---|---|
| Product Height (in.) | 3.75 in | Product Length (in.) | 1.44 in |
| Product Width (in.) | 1.44 in |
Details
| Application | Air,Oil,Potable Water | Compatible Pipe Material | Brass |
|---|---|---|---|
| Connection | Male Pipe Thread | Features | Lead Free |
| Indoor/Outdoor | Indoor | Material | Brass |
| Maximum Pressure (psi) | 300 PSI | Maximum Working Temperature (F) | 180 |
| Pack Size | 1 | Product Weight (lb.) | 0.35 lb |
| Returnable | 90-Day | Valve Type | Pressure Relief |
Warranty / Certifications
| Manufacturer Warranty | 1 year |
|---|
Questions & Answers
Typical questions asked about products:
- Is the product durable?
- Is the product easy to use?
- What are the dimensions of the product?
Customer Reviews
Feb 12, 2016
worst expansion valve
I had my original valve (non adjustable) for 12 years and start leaking. I replaced with this valve by a professional that last 3 months before start leaking. I bought two from Home Depot and that too start leaking after about 2 months each. What a piece of junk.
by
Jul 29, 2021
by
Jul 17, 2021
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Jun 25, 2021
Perfect fit. Easily adjustable only the reverse of what...
Perfect fit. Easily adjustable only the reverse of what I am used to.
by
Apr 21, 2021
Much needed for my tankless water heater...
Much needed for my tankless water heater
by
Mar 19, 2021
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Response from WattsWaterMar 26, 2021
Hello,
Thank you for your positive review! We are happy to hear that this product met your expectations. Please feel free to reach out if you have any questions, our team will be happy to help!
Thank you for your positive review! We are happy to hear that this product met your expectations. Please feel free to reach out if you have any questions, our team will be happy to help!
Jan 9, 2021
The valve was a exact replacement for the old temperature...
The valve was a exact replacement for the old temperature relief valve and was easy to adjust to the to turn to the 150 psi setting which equals a temperature of 212 degrees.
by
Oct 24, 2020
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Jun 24, 2020
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Apr 30, 2020
Performing as expected....
Performing as expected.
by
Related Products
Explore More on homedepot.com
Doors & Windows
Furniture
Outdoor Garden
Outdoor Living
