Description
Protect your boiler or hydronic heating system with the Conbraco 10 605 25 Hot Water Relief Valve, a high capacity, ASME Section IV–certified safety valve engineered for reliable overpressure protection.
Key Features
- 125 PSI Set Pressure: Factory set at 125 psig for consistent pressure relief, with a certified adjustable range from 15 to 160 psig.
- Rugged Bronze Construction: Built with a bronze body (ASTM B 584) to resist corrosion and deliver long-term reliability.
- 1″ FNPT Inlet / Outlet: Standard 1 inch female NPT connections make installation into most boiler systems straightforward.
- Diaphragm Isolated Spring Chamber: Keeps the spring isolated from the water path, improving durability and longevity.
- Silicone Seat: Provides a tight seal, even under high temperature conditions, and reseats cleanly after discharge.
- High Capacity: Rated for approximately 4,272,000 BTU/hr, making it suitable for high-demand hot-water and boiler systems.
- Temperature Rated: Supports water temperatures up to 250°F (121°C), making it ideal for hot-water heating applications.
- Lift Lever Included: Allows manual testing of the valve for safety and performance.
- Made in the USA: Manufactured by Conbraco / Apollo for consistent quality and performance.






