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Field Efficiency: Streamlines actuator linkage assembly without requiring specialized shop tools
Technicians should look for pitted or "welded" contacts
High Thermal Threshold: Calibrated for a 250-degree Fahrenheit trip point
This furnace fan limit switch is engineered with a 110°F "on" set point and a 25°F differential
This is typically caused by a failing thermocouple that can no longer generate the 25û30 millivolts required to hold the pilot valve open
Weil McLain 511-624-404 Pressure Switch Els PW 17895 Field Efficiency: Streamlines actuator linkageThe 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
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