Description
The Conbraco 10-614-16 (also marketed under Apollo brand, Series 10-600, Model RVW61) is a high-capacity, ASME-Section IV certified safety relief valve engineered for hot water heating boilers and hydronic systems. Built with a rugged bronze body and high-performance components, it safeguards your system from overpressure by releasing excess water pressure when necessary.
Key Features
- Set Pressure: Factory-preset to 80 psi, with a pressure adjustment range from 15 to 160 psig.
- Connections: ¾″ female NPT inlet × 1″ female NPT outlet — compatible with standard boiler plumbing layouts.
- High Capacity: Rated for ~2,089,000 BTU/hr, making it ideal for large or high-output heating systems.
- Robust Materials: Bronze body resists corrosion; spring chamber is isolated by a fabric-reinforced molded diaphragm.
- Seating: Silicone seat ensures tight sealing under pressure.
- Temperature Rating: Serviceable up to 250°F (121°C) for reliable performance in high-temperature applications.
- Elevated Seat & Oversize Outlet: Allows efficient drainage and supports high flow capacity.
- Certified Capacity: Entire pressure range is National Board capacity certified, ensuring compliance and safety.






