Weil McLain 511-624-404 Pressure Switch Els PW 17895 this component is engineered to

this component is engineered to generate the necessary millivoltage to hold the gas control valve open during the heating cycle

allowing for flexible bulb placement on the suction line

This assembly serves as a direct Bunn power cord replacement

field-proven 24V heat sequencer relay designed to manage stage activation in electric furnaces and air handlers

Weil McLain 511-624-404 Pressure Switch Els PW 17895 this component is engineered 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