Will this fit a 5/8-inch motor shaft

Compact Industrial Design: Built to withstand the harsh vibrational and thermal stresses of HVACR operation

Optimized Drainage: Smooth internal radius reduces surface tension to prevent condensate backup

While the electrical specs may match other systems

Common indicators include the furnace inducer running without the burners igniting

Lennox 63W57 Pressure Switch Els PW 17895 Will this fit a 5/8-inchThe Lennox 63W57 Pressure Switch is a critical genuine OEM component engineered for precise furnace diagnostic monitoring. This SPST furnace pressure switch is factory calibrated with a 0. 55 . 95" WC pressure rating, ensuring the inducer motor provides sufficient draft for safe combustion. As a direct replacement for Lennox 56M22, the 63W57 eliminates compatibility guesswork during emergency service calls. It functions as a safety interlock,