Weil McLain 511-624-404 Pressure Switch Els PW 17895 This kit is identical to

This kit is identical to the 14004213-001/U model

Always follow cross-pattern tightening specifications to ensure uniform compression across the gasket surface

A furnace that ignites but shuts down within seconds often has a dirty or failed S1-2702-311P

Field Efficiency: Streamlines actuator linkage assembly without requiring specialized shop tools

Technicians should look for pitted or "welded" contacts

Weil McLain 511-624-404 Pressure Switch Els PW 17895 This kit is identical toThe Weil McLain 511 624 404 Pressure Switch is a critical safety component engineered for CGS Series Boilers (Size 6), providing precise monitoring of combustion air and flue gas pressures. Operating with a 0. 95" W. C. set point, this differential air pressure switch is calibrated for standard elevations from 0 to 1,999 feet. As an OEM replacement part, it ensures the boiler's induction blower provides sufficient airflow before allowing the ignition