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🛠️ Keep your boiler safe and sound with Watts — the valve that means business!
The Watts Regulator 0342692 Boiler Relief Valve is a precision-engineered 3/4" bronze valve designed to relieve pressure at 30 PSI, meeting ASME Section IV standards. Trusted globally for its durability and reliability, it ensures optimal boiler safety and performance with easy installation and proven longevity.









| ASIN | B00GP6R7PY |
| Best Sellers Rank | #42,542 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Relief Valves |
| Brand Name | Watts |
| Customer Reviews | 4.6 4.6 out of 5 stars (684) |
| Exterior Finish | Bronze |
| Global Trade Identification Number | 00098268784206 |
| Included Components | WATTS - 118951 |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Dimensions | 2.3 x 2 x 3.1 inches |
| Item Type Name | WATTS - 118951 |
| Item Weight | 0.01 Ounces |
| Manufacturer | Watts Store |
| Manufacturer Part Number | WATTS - 118951 |
| Material Type | Bronze |
| Maximum Pressure | 20 Pound per Square Inch |
| Model Number | 0342692 |
| Number of Pieces | 1 |
| Number of Ports | 30 |
| Outlet Connection Size | 0.75 Inches |
| Specification Met | ASME Section IV at 30 psi set point |
| Thread Size | 3/4 inches NPT |
| UPC | 098268784206 |
| Unit Count | 1.0 Count |
| Valve Type | boiler relief valve |
D**K
Works
I replaced my leaking M311‑M1 heater pressure relief valve with this model, and I wish I had done it sooner. I spent days trying to fix the old valve before finally giving up and swapping it out. The replacement was incredibly easy and only cost me about $40. It solved the problem immediately. I definitely should have replaced it from the start instead of wasting time trying to repair the old one.
A**R
Watts Regulator 0342692 Boiler Relief Valve Installation
This regulator was easy to install and worked well. It started a a slow drip at first when the boiler heated up, but stopped (re-seated internally) when I opened and closed the silver valve at the top.
L**S
it is working as described
My son installed it and everything is working very well.
G**S
Right part
Good price
C**S
Don't blow a gasket
This is the real thing! I strongly dislike knock off brands. This is not knock off. This is on my Boiler and I love it!
M**U
Boiler safety valve
Bad boiler valve was dripping and causing boiler to run often. Decided to replace it and this was a perfect fit. Very happy with supplier.
W**O
worked fine
worked fine
T**A
Good product
Works!
D**A
Works as described.
S**Y
Great product and great quality
A**R
Great quality made in Canada works exactly as described, for Hayward gas pool heater OEM replacement
A**L
posé et fonctionne très bien
A**.
works as should.
Trustpilot
1 month ago
2 months ago