Description
Bell & Gossett 110131 Relief Valve Overview
The Bell & Gossett 110131 is a high-capacity pressure relief valve engineered for dependable overpressure protection in hydronic heating systems. With a 1-inch port size, a factory-set opening pressure of 45 PSI, and a rated discharge capacity of 1,575,000 Btuh, this valve is built to handle the demands of commercial and large residential boiler installations. It provides a critical last line of defense against dangerous pressure buildup, helping to protect equipment, piping, and occupants.
Key Features
- 1″ inlet/outlet connection for straightforward installation into standard hydronic piping
- Factory-set relief pressure of 45 PSI (45# set) — no field adjustment required
- High discharge capacity rated at 1,575,000 Btuh to handle large heating system loads
- Designed for hydronic heating and boiler system applications
- Provides automatic overpressure relief to protect system components and ensure safe operation
- Durable construction consistent with Bell & Gossett’s trusted hydronic product line
Specifications
- SKU: 110131
- Brand: Bell & Gossett
- Connection Size: 1″
- Set Pressure: 45 PSI
- Discharge Capacity: 1,575,000 Btuh
- Application: Hydronic heating / boiler systems
Application
The Bell & Gossett 110131 relief valve is ideal for commercial boilers, large hydronic heating loops, and any pressurized hot water system requiring certified overpressure protection at a 45 PSI set point. It is a trusted component for HVAC contractors and mechanical engineers who specify Bell & Gossett products for reliable, long-term system performance.







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