Weil McLain 511-624-402 Pressure Switch Els PW 17895 providing superior tamper-resistant protection compared

providing superior tamper-resistant protection compared to plastic alternatives

the bimetal disc has failed or the internal contacts are pitted

or fouled condenser coils causing excessive motor heat

Streamlined Design: Provided without an integrated electrical box for maximum flexibility in tight installation spaces or specialized wiring scenarios

Contractor-Grade Durability: Built to withstand extreme outdoor temperature fluctuations and moisture exposure

Weil McLain 511-624-402 Pressure Switch Els PW 17895 providing superior tamper-resistant protection comparedThe 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