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the 5H0794410002 pressure switch monitors flue pressure and is independent of fuel type
Direct Cross Reference: Perfectly replaces legacy part number 1149252 without modifying wiring or brackets
this component ensures the start winding is efficiently energized during the locked rotor amperage phase before dropping out once the motor achieves operational speed
If the switch lacks continuity when cooled
It is a direct cross-reference for part numbers 620519
Lennox 51W93 Pressure Switch the 5H0794410002 pressure switch monitorsThe Lennox 51W93 Pressure Switch is a critical safety component designed for precise draft monitoring in high efficiency gas furnaces. Engineered with a 1. 12" WC set point, this SPST (Single Pole Single Throw) switch ensures the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed. As a veteran grade furnace pressure switch replacement, the 51W93 features a dual 1 4" barb connection for secure pneumatic