Weil McLain 511-624-521 Pressure Switch Els PW 17895 It features integrated 3amp fuse

It features integrated 3amp fuse over current protection to safeguard downstream components from electrical faults

This heavy-duty unit features a split-bobbin construction to provide superior isolation between primary and secondary windings

With a versatile adjustable pressure range of

consider the M602W double-pole version

Ensure all ductwork is clear before replacing the switch

Weil McLain 511-624-521 Pressure Switch Els PW 17895 It features integrated 3amp fuseThe Weil McLain 511 624 521 Pressure Switch is a critical safety component designed for precise differential pressure sensing in high efficiency Weil McLain boilers. This SPST (Single Pole Single Throw) air pressure switch is factory calibrated to a 1. 25" W. C. (Water Column) set point, ensuring the vent blower is maintaining adequate airflow before allowing the ignition sequence to proceed. It features dual 1 4" barb connections for secure pneumatic