Weil McLain 511-624-521 Pressure Switch Els PW 17895 OEM Fitment: Eliminates the need

OEM Fitment: Eliminates the need for bracket modifications

the S1-024-39713-000 features a rugged construction that integrates seamlessly with existing control board logic

The MARS 12076 features a physical internal interrupter for safety and is rated for an operational life of approximately 60

this probe can be utilized in various pneumatic setups requiring a 1/8" NPT or barbed fitting interface for remote sensing

Weil McLain 511-624-521 Pressure Switch Els PW 17895 OEM Fitment: Eliminates the needThe 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