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As a critical furnace control board
Can I adjust the auxiliary switch setting in the field
Industrial-Grade Build: Rigid galvanized steel construction prevents fin deflection under heavy static loads
It serves as an essential watchdog for the combustion process
Schneider Electric (Barber Colman) TK-4001 Temp Control Els PW 17895 As a critical furnace controlThe Schneider Electric (Barber Colman) TK 4001 is a high performance pneumatic bulb thermostat designed for proportional temperature control on reheat systems, return air terminal units, and sampling chambers. Engineered for heating applications, this direct acting controller features a 1 8" x 48" averaging bulb that ensures accurate thermal sensing across wide duct spans. With a factory set 15 psig supply air pressure and a 60 90F operating range,
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