Conbraco 10-614-10 Valve

The Conbraco 10-614-10 is a high-capacity hot water pressure relief valve engineered for heavy-duty protection in commercial and industrial boiler systems. Featuring a 3/4" FNPT inlet and a 1" FNPT outlet, this bronze-bodied safety valve is factory-set at 50 PSI to prevent over-pressurization in high-output hydronic heating systems. With a certified BTU capacity of 1,418,000, it meets ASME Section IV requirements, ensuring reliable discharge performance during thermal expansion or runaway firing conditions. The Conbraco 10 series is designed with an EPDM O-ring and a silicone seat to provide a positive seal and minimize weeping. For technicians replacing older Apollo 10-614-10 units, this valve offers a direct fit for HVAC boiler maintenance, maintaining system integrity and compliance with local mechanical codes. The rugged construction resists corrosion and sediment buildup, facilitating long-term boiler pressure regulation in demanding environments.

Key Technical Benefits

• High Discharge Capacity: Rated for 1,418,000 BTU/hr, suitable for large-scale commercial boiler relief applications.
• Resilient Seat Design: The silicone-to-metal seating ensures tight shut-off and reduces the risk of nuisance leaks after cycling.
• Standardized Connections: Features a 3/4 inch inlet and 1 inch outlet for easy integration into existing commercial HVAC piping.
• Code Compliance: Designed and certified to ASME Section IV standards for forced circulation heating boilers.
• Durability: Corrosion-resistant bronze body and stainless steel springs provide reliable operation in hot water heating systems.

Common Technical Questions

Can the pressure setting be adjusted in the field?
No, the Conbraco 10-614-10 is factory-set and sealed at 50 PSI. Any attempt to alter the spring tension will void the ASME certification and compromise system safety.

Is this valve suitable for steam service?
This specific model is designed strictly for hot water heating and supply systems. For steam applications, an ASME Section I or VIII rated safety valve must be used.

Why is the outlet larger than the inlet?
The 1" outlet allows for the rapid expansion of fluid and steam during discharge, ensuring the valve reaches its full rated flow capacity without backpressure interference.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.