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Thermal Resilience: High-grade Class F epoxy induction protects the copper windings against heat-induced degradation
it ensures reliable flow management under varied pressure conditions
or trigger external alarm horns
Optimized for R-22 and R-407C refrigerants
Lennox 14A51 Pressure Switch 320074-702 Thermal Resilience: High-grade Class FEngineered as a high precision safety and sequencing component, the Lennox 14A51 Pressure Switch provides critical draft verification for two stage gas furnaces. This OEM sensor features a factory calibrated set point high of 0. 74" W. C. and a set point low of 0. 41" W. C., ensuring the inducer motor maintains the exact static pressure required for safe combustion. Built to withstand the harsh vibration and thermal cycles of an 80% to 95% efficiency
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