Weil McLain 511-624-404 Pressure Switch Els PW 17895 This is typically caused by

This is typically caused by a failing thermocouple that can no longer generate the 25û30 millivolts required to hold the pilot valve open

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

features a closed-face design for enhanced durability against debris and an integrated red dot indicator for rapid diagnostic identification during service calls

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

Technicians should look for pitted or "welded" contacts

Weil McLain 511-624-404 Pressure Switch Els PW 17895 This is typically caused byThe 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