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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
This differential air pressure switch features a versatile adjustable set point range from 0
Comprehensive Seal Package: Includes essential glass
Common Technical Questions: What does a yellow indicator signify in this sight glass
Chattering
this switch is specifically calibrated for a
Lennox 83L89 Limit Switch Els PW 17895 This differential air pressure switchThe Lennox 83L89 is a factory specified, auto reset limit switch engineered for critical temperature regulation in high efficiency gas furnaces. This OEM furnace safety switch, also identified as Lennox 83L8901, features a precise fixed setpoint with a 145 degree Fahrenheit cut out temperature and a 115 degree Fahrenheit cut in temperature. Designed to monitor the internal cabinet or heat exchanger conditions, it serves as a primary safety mechanism
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