Description
Conbraco Industries 10-104-10 Brass Hot Water Pressure Relief Valve
The Conbraco Industries 10-104-10 is a heavy-duty brass hot water pressure relief valve engineered to protect boilers, water heaters, and hydronic heating systems from dangerous overpressure conditions. Factory-set at 50 PSI and rated for up to 1,035,000 BTU capacity, this valve delivers dependable, code-compliant overpressure protection for residential and light commercial hot water heating applications.
Constructed from durable brass for excellent corrosion resistance, the 10-104-10 features a 3/4″ Male NPT inlet and a 1″ Female NPT outlet, allowing for straightforward installation into standard piping configurations. Its ASME Section IV certification ensures the valve meets rigorous safety standards required for heating boilers, giving installers and building owners confidence in every installation.
Key Features
- Factory set at 50 PSI for consistent, reliable pressure relief
- 1,035,000 BTU capacity — suitable for residential and light commercial systems
- 250°F maximum temperature service rating
- 3/4″ Male NPT inlet connection
- 1″ Female NPT outlet connection
- Brass body construction for durability and corrosion resistance
- ASME Section IV certified for hot water heating boiler applications
Specifications
- Brand: Conbraco Industries
- SKU / Model: 10-104-10
- Set Pressure: 50 PSI
- BTU Capacity: 1,035,000 BTU/hr
- Maximum Temperature: 250°F
- Inlet Connection: 3/4″ Male NPT
- Outlet Connection: 1″ Female NPT
- Body Material: Brass
- Certification: ASME Section IV
- Application: Hot water heating systems
Application
Ideal for use on residential and commercial hot water boilers, hydronic heating systems, and water heaters where ASME-rated pressure relief protection is required. The 10-104-10 is a trusted solution for HVAC and plumbing professionals who demand reliable safety performance and code compliance on every job.







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