Description
The Conbraco 10 616 12 (also branded as Apollo) is a premium, ASME Section IV certified safety relief valve designed for high-capacity hot water boiler systems. Built with a sturdy bronze body and engineered for maximum reliability, this valve safely vents excess pressure to protect your boiler and plumbing system.
Key Features
- Set Pressure: Factory-preset to 60 PSI, but fully adjustable across a wide range (15–160 psig) for custom system protection.
- Connection Sizes: 1¼″ female NPT inlet × 1½″ female NPT outlet — compatible with common boiler plumbing configurations.
- High Capacity: Rated for 4,596,000 BTU/hr, making it suitable for large or heavy-duty hydronic heating systems.
- Durable Construction: Made from ASTM B584 bronze, providing dependable corrosion resistance and long service life.
- Silicone Seat: The valve features a silicone seat that ensures a tight seal and failsafe operation.
- Diaphragm Isolated Spring Chamber: This design keeps the internal spring protected from water, improving reliability and reducing wear.
- Elevated Seat: Helps drain water away from the seating area to prevent buildup and sticking.
- Temperature Rating: Supports operation up to 250 °F (121 °C) — suitable for most hot-water heating systems.
- Certified Capacity: Entire pressure range is National Board capacity certified, giving you dependable performance and code compliance.
