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Contractor-Grade Durability: Built to withstand extreme outdoor temperature fluctuations and moisture exposure
This outdoor sensor housing ensures that your hard-wired input sensors remain secure and operational regardless of weather shifts
Streamlined Design: Provided without an integrated electrical box for maximum flexibility in tight installation spaces or specialized wiring scenarios
Direct replacement for part numbers P441-1146
the bimetal disc has failed or the internal contacts are pitted
Weil McLain 511-624-402 Pressure Switch Els PW 17895 Contractor-Grade Durability: Built to withstandThe Weil McLain 511 624 402 Pressure Switch is an essential safety component specifically engineered for induced draft combustion systems. Calibrated to a 1. 48" WC setpoint, this SPST (Single Pole Single Throw) switch monitors the differential pressure across the inducer motor to ensure the venting system is clear of obstructions before ignition. This HVAC pressure switch features a dual 1 4" barb connection for easy integration with standard