Description
The Conbraco Industries 10-604-10 is a high-capacity hot water pressure relief valve engineered to provide dependable overpressure protection in demanding hydronic and hot water heating systems. Factory-set at 50 PSI, this valve automatically opens to discharge excess pressure before it can damage system components, boilers, or piping — then reseats cleanly once safe operating pressure is restored.
Key Features
- High-capacity design rated at 1,209,000 BTU — ideal for commercial and high-output residential hot water systems
- Factory set at 50 PSI for consistent, reliable pressure relief
- 3/4″ Female NPT inlet and 3/4″ Female NPT outlet connections for straightforward installation into standard piping
- Hot water service rated for use on boilers, water heaters, and hydronic heating systems
- Robust construction from Conbraco Industries, a trusted name in pressure relief and flow control
Specifications
- SKU: 10-604-10
- Brand: Conbraco Industries
- Inlet Connection: 3/4″ Female NPT
- Outlet Connection: 3/4″ Female NPT
- Set Pressure: 50 PSI
- BTU Capacity: 1,209,000 BTU
- Application: Hot Water / Hydronic Heating Systems
Application
Designed for installation on hot water boilers, storage water heaters, and hydronic heating systems where high BTU output demands a high-capacity safety relief valve. The 50 PSI set point makes it well-suited for systems operating at standard hot water pressures. Always install per local codes and manufacturer guidelines, with the discharge outlet piped to a safe drain location.







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