Description
The Bell & Gossett 110081 is a heavy-duty pressure relief valve engineered for hydronic heating systems where dependable overpressure protection is critical. With a 1-1/2″ connection size, a factory-set opening pressure of 45 PSI, and a rated capacity of 4,500,000 BTU/h, this valve is built to handle the demands of large commercial and industrial boiler and hydronic applications.
Bell & Gossett is a trusted name in hydronic system components, and this relief valve upholds that reputation with a robust construction designed for long service life and consistent, repeatable performance. When system pressure exceeds the 45 PSI set point, the valve opens automatically to vent excess pressure, protecting equipment and personnel from potentially dangerous overpressure conditions.
Key Features
- 1-1/2″ connection size for straightforward installation into existing piping
- 45 PSI factory-set opening pressure for precise, reliable overpressure protection
- 4,500,000 BTU/h rated capacity — suited for large commercial and industrial hydronic systems
- Automatic pressure relief operation protects boilers, heat exchangers, and system piping
- Durable construction from Bell & Gossett, a leading hydronic systems manufacturer
Specifications
- SKU: 110081
- Brand: Bell & Gossett
- Connection Size: 1-1/2″
- Set Pressure: 45 PSI
- Rated Capacity: 4,500,000 BTU/h
- Application: Hydronic heating / boiler systems
Applications
- Commercial and industrial boiler systems
- Large-scale hydronic heating installations
- Hot water heating systems requiring high-capacity pressure relief
- Heat exchanger and pressure vessel protection







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