Carrier HK06WC077 Pressure Switch 30067439-890 the 90-163 ensures a positive

the 90-163 ensures a positive make and break

These components are manufactured to exacting tolerances to handle the thermal expansion and chemical demands of modern HVACR refrigerants and lubricants

continuously monitoring refrigerant pressures

Ensure proper terminal connections to the defrost thermostat (sensor) to prevent short-cycling or inefficient heating performance

The Daikin-McQuay 057479501 Compressor Overload is an essential internal protection component designed for commercial HVAC maintenance and repair

Carrier HK06WC077 Pressure Switch 30067439-890 the 90-163 ensures a positiveThe 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