Description
Conbraco Industries 18C-522-5-125 Temperature & Pressure Relief Valve
The Conbraco Industries 18C-522-5-125 is a high-capacity Temperature and Pressure (T&P) Relief Valve engineered to protect water heaters and hydronic heating systems from dangerous over-pressure and over-temperature conditions. With a robust 3,070,000 BTU capacity rating, this valve is well-suited for demanding residential and light commercial applications where reliable safety performance is non-negotiable.
Key Features
- 1″ Female NPT inlet and 1″ Female NPT outlet connections for straightforward installation
- Factory-set pressure relief at 125 PSI to guard against over-pressurization
- Factory-set temperature relief at 210°F for precise thermal protection
- 3,070,000 BTU relief capacity to handle high-output heating systems
- 5″ probe length ensures accurate sensing within the water heater tank or hydronic vessel
- Durable construction built to withstand the rigors of continuous hydronic system operation
Specifications
- Brand: Conbraco Industries
- SKU / Model: 18C-522-5-125
- Inlet Connection: 1″ Female NPT
- Outlet Connection: 1″ Female NPT
- Set Pressure: 125 PSI
- Set Temperature: 210°F
- BTU Capacity: 3,070,000 BTU/hr
- Probe Length: 5″
- Valve Type: Temperature and Pressure Relief Valve
Application
Designed for use on water heaters, boilers, and hydronic heating systems, the Conbraco 18C-522-5-125 T&P relief valve automatically discharges when system pressure exceeds 125 PSI or temperature exceeds 210°F, preventing catastrophic equipment failure. The 5″ probe length provides accurate immersion sensing, while the 1″ NPT connections accommodate standard residential and commercial piping configurations.







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