Bell & Gossett 110757 Relief Valve 3/4″ 80 PSI 1710000 BTUh 790-3/4-80

Description

Bell & Gossett 110757 Relief Valve — Model 790-3/4-80

The Bell & Gossett 110757 is a high-performance pressure relief valve engineered for hydronic heating and hot water systems. Designed to protect boilers, water heaters, and closed-loop piping from dangerous overpressure conditions, this valve delivers dependable, automatic pressure relief when system pressure exceeds the factory-set threshold.

Key Features

• Factory set at 80 PSI — provides precise, consistent pressure relief for hydronic and hot water heating systems
• 3/4″ connection size — compatible with standard residential and light commercial piping configurations
• 1,710,000 BTUh rated capacity — suitable for high-output boilers and heating systems
• Bell & Gossett 790 Series design — trusted by HVAC professionals for long-term reliability and code compliance
• Automatic operation — opens to relieve excess pressure and reseats when system pressure returns to safe levels
• Durable construction — built to withstand the demands of continuous hydronic system operation

Specifications

• SKU: 110757
• Model: 790-3/4-80
• Brand: Bell & Gossett
• Connection Size: 3/4″
• Set Pressure: 80 PSI
• Rated Capacity: 1,710,000 BTUh
• Valve Series: 790

Applications

• Hydronic heating systems
• Hot water boilers
• Closed-loop heating loops
• Residential and light commercial heating equipment

The Bell & Gossett 790 Series relief valves are a go-to choice for HVAC contractors and plumbing professionals who need proven overpressure protection. With a 3/4″ inlet, 80 PSI set point, and a 1,710,000 BTUh capacity rating, this valve is sized to handle demanding system loads while keeping installations safe and code-compliant.