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These components are manufactured to exacting tolerances to handle the thermal expansion and chemical demands of modern HVACR refrigerants and lubricants
allowing for a "dry" upgrade that does not require system depressurization
Ensure proper terminal connections to the defrost thermostat (sensor) to prevent short-cycling or inefficient heating performance
the 90-163 ensures a positive make and break
Carrier HK06WC077 Pressure Switch 30067439-890 These components are manufactured toThe Carrier HK06WC077 is an OEM replacement 2 stage air pressure switch designed for high efficiency gas furnaces. This dual Hi Lo component features two independent switches in one assembly to monitor inducer motor performance across high and low fire stages. The low fire switch is calibrated for a 0. 22" w. c. break, while the high fire switch is rated for a 0. 43" w. c. break. Manufactured by Honeywell as part number BA6838, this SPST normally open
US$ 47.42
US$ 26.33
US$ 22.13
