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Large Capacity Flow Control: Effectively manages gas loads for commercial burners and industrial heaters with a maximum inlet pressure of up to 80 PSIG (orifice dependent)
reducing the frequency of heating system maintenance
For technicians servicing Honeywell V5011 single-seated valves
Key Benefits OEM Compatibility: Exact drop-in replacement for Heil Quaker and ICP brand furnaces
Carrier HH18HA291 Limit Switch 318172-701 Large Capacity Flow Control: EffectivelyThe Carrier HH18HA291 Limit Switch is a critical safety component designed for high temperature monitoring in furnace and air handler applications. This specific 290F manual reset limit switch acts as a primary thermal protection mechanism, breaking the electrical circuit to the gas valve or ignition control if the heat exchanger exceeds its maximum safe operating temperature. Engineers and field technicians recognize the HH18HA291 as a direct
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