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🛠️ Upgrade your boiler’s safety game with Watts — because leaks are so last season!
The Watts Regulator 0342692 Boiler Relief Valve is a 3/4" bronze valve designed to maintain boiler safety by releasing pressure at 30 PSI. It features durable construction, easy installation with standard NPT threads, and meets ASME Section IV standards. Trusted by hundreds of professionals, it’s a reliable upgrade to prevent leaks and ensure efficient boiler operation.









| ASIN | B00GP6R7PY |
| Best Sellers Rank | #42,814 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Relief Valves |
| Brand | Watts |
| Brand Name | Watts |
| Customer Reviews | 4.5 out of 5 stars 695 Reviews |
| 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 |
| Item dimensions L x W x H | 2.3 x 2 x 3.1 inches |
| Manufacturer | Watts Store |
| Manufacturer Part Number | WATTS - 118951 |
| Material | Bronze |
| 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 |
| Size | 0.75 Inch |
| Smart Home Compatibility | Not Smart Home Compatible |
| 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
Great quality
Works as described.
S**Y
Perfect fit for a residential boiler for heating
Great product and great quality
A**R
Great cdn product
Great quality made in Canada works exactly as described, for Hayward gas pool heater OEM replacement
A**L
rapidité de livraison et produit bien décrit
posé et fonctionne très bien
A**.
works well
works as should.
Trustpilot
2 weeks ago
3 weeks ago