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this OEM replacement part provides the reliability needed for complex heat pump zoning and fossil fuel integration
the 251755 ensures positive valve actuation and consistent seat pressure across a wide range of refrigerant viscosities and pressures
a separate push rod kit may be required if you notice wear on the stem during your tear-down
This model utilizes a 10k ohm Type II thermistor
Lennox 14T65 Switch Kit 322838-753 this OEM replacement part providesThe Lennox 14T65 Switch Kit, specifically the High Alt SwtchKit 7501 10000ft, is a critical high alpine pressure switch conversion designed for Lennox gas furnaces operating at extreme elevations. This kit ensures safe and reliable ignition by adjusting the vacuum pressure thresholds to account for thinner air density at altitudes between 7,500 and 10,000 feet. This Lennox OEM furnace part replaces standard factory switches that may fail to close at
