Description
Bell & Gossett 110123 Relief Valve – 3/4", 45 psi Set, 1,065,000 BTU/hr
Overview
The Bell & Gossett 110123 (790-45) ASME Safety Relief Valve is designed to safeguard hot water heating systems against dangerous overpressure conditions. With a 45 psi set point and a BTU discharge capacity of 1,065,000, this valve delivers top-tier performance for residential and light commercial hydronic systems.
Its diaphragm-assisted bronze construction provides enhanced reliability and reduced sensitivity to fouling, making it a durable and high-performing choice.
Key Features
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ASME Section IV Certified – Complies with national boiler and pressure vessel standards
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High BTU Rating – Ideal for systems requiring up to 1,065,000 BTU/hr relief capacity
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Bronze Construction – Durable with brass wetted parts and EPDM diaphragm
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Low Blowdown Pressure – Prevents steam flashing and system hammering
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Threaded NPT Connection – Quick and secure installation
Specifications
| Feature | Details |
|---|---|
| Model | 110123 / 790-45 |
| Size | 3/4" |
| Pressure Set Point | 45 psi |
| Discharge Capacity | 1,065,000 BTU/hr |
| Material | Bronze |
| Internal Components | Brass (wetted parts), EPDM diaphragm |
| Connection Type | Threaded (NPT) |
| Max Working Pressure | 125 PSIG (8.6 bar) |
| Max Temperature | 250°F (121°C) |
| Application | Hot Water Heating Systems |
| ASME Certified | Yes |
