Description
The Conbraco Industries 10-617-12 is a high-capacity hot water pressure relief valve engineered to deliver dependable overpressure protection in demanding commercial and industrial hydronic heating applications. With a 1-1/2″ Female NPT inlet and a 2″ Female NPT outlet, this valve is designed for high-flow systems where standard-capacity relief valves fall short.
Key Features
- High-capacity pressure relief valve purpose-built for hot water heating systems
- Set pressure of 60 PSI for precise, consistent overpressure protection
- Exceptional relief capacity of 6,252,000 BTU/hr to handle large commercial boiler loads
- 1-1/2″ Female NPT inlet connection for straightforward installation into existing piping
- 2″ Female NPT outlet connection to accommodate high discharge flow rates
- Robust construction from Conbraco Industries — a trusted name in pressure and flow control
Specifications
- SKU: 10-617-12
- Brand: Conbraco Industries
- Valve Type: Hot Water High Capacity Pressure Relief Valve
- Inlet Connection: 1-1/2″ Female NPT
- Outlet Connection: 2″ Female NPT
- Set Pressure: 60 PSI
- BTU Capacity: 6,252,000 BTU/hr
Application
The Conbraco 10-617-12 is ideal for large commercial and industrial hot water boiler systems requiring a high-capacity safety relief device. Its oversized outlet connection ensures rapid, unrestricted discharge during a pressure event, helping to protect boiler vessels, piping, and connected equipment from damage caused by excess pressure buildup. The valve’s high BTU rating makes it well-suited for high-output boilers found in schools, hospitals, apartment complexes, and other large facilities.







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