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and mineral oils without breaking down or stripping essential additives from the lubricant
Durable Construction: Built to withstand the high ambient temperatures common in the upper housing of gas-fired unit heaters
or the furnace throwing a code for an "open limit
preventing winding damage and ensuring reliable cycle initiation
Lennox 92L21 Pressure Switch and mineral oils without breakingReplace your faulty inducer safety circuit with the Lennox 92L21 Pressure Switch, a precise OEM furnace replacement part cataloged under Lennox R20293412. This single pole single throw (SPST N. O.) switch is factory calibrated to actuate at 1. 61" W. C., ensuring the draft inducer motor maintains the specific static pressure required for safe combustion and flue gas venting. Designed with dual 1 4" barb connections, this component provides a secure
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