The Bell & Gossett (110085) 4100 45 ASME RELIEF Valve
Bell & Gossett 110085 (4100-45) Safety Relief Valve — Trusted Over-Pressure Protection for Boilers & Hydronic Systems
The Bell & Gossett 110085 is a professionally engineered safety relief valve designed to safeguard boilers, hydronic heating systems, and closed-loop water systems against over-pressure conditions. Built to ASME standards, the 110085 delivers dependable pressure relief performance — providing peace of mind and compliance with safety codes. Ideal for new boiler installs, retrofit upgrades, or boiler maintenance work, this valve ensures safe system operation and helps prevent costly damage from over-pressure events.
Features
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OEM Bell & Gossett 110085 safety relief valve (Series 4100-45)
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ASME-rated relief valve design for rigorous system requirements
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Precision pressure calibration to meet boiler or hydronic system specs
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Designed for installation on boilers, water heaters, hydronic loops, and pressure vessels
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Reliable over-pressure protection to safeguard equipment and property
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Durable construction for long service life, even under demanding conditions
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Compact, straightforward valve design for easiest install or replacement
Benefits & Applications
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Protects boilers, hydronic systems, or closed-loop water systems from over-pressure risks
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Helps ensure compliance with safety and building codes
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Ideal for residential, commercial, and industrial HVAC or boiler installations
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Suitable for new builds, retrofits, maintenance, and system upgrades
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Trusted by contractors, facility managers, and building engineers who prioritize safety and reliability
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Reduces risk of system failure, equipment damage, or safety hazards
Technical Specifications
| Specification | Details |
|---|---|
| Model / Part Number | 110085 |
| Brand | Bell & Gossett |
| Series | 4100-45 Safety Relief Valve |
| Application | Boilers, hydronic heating systems, closed-loop water systems, pressure vessel protection |
| Function | Pressure relief / over-pressure protection valve |
| Compliance | ASME-rated safety relief design |
| Typical Use | Residential, commercial, and industrial HVAC and boiler systems requiring over-pressure safety protection |
Installation & Use Notes
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Install in accordance with boiler or system manufacturer’s instructions and local codes.
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Ensure valve is set to the correct relief pressure before commissioning.
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When replacing existing relief valves, verify size and pressure rating match system requirements.
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Periodically inspect and test relief valve function per boiler maintenance schedule to ensure reliable operation.
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Replace the valve immediately if signs of corrosion, leakage, or mechanical wear are present — safety-critical component.
Why Choose Bell & Gossett 110085 from APEX Controls
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OEM-grade safety relief valve for reliable, code-compliant pressure protection
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Durable, long-lasting construction — engineered for years of safe service
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Ideal for new installations, boiler replacements, or routine maintenance upgrades
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Trusted by HVAC contractors, building engineers, and boiler service professionals
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Readily available from a reputable distributor known for quality HVAC and hydronic parts



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