Carrier HK06WC077 Pressure Switch 30067439-890 continuously monitoring refrigerant pressures

continuously monitoring refrigerant pressures

Direct OEM fit for York S1-029-12755-700

This ASME Section IV certified safety valve is a staple for veteran technicians managing large-scale boilers and commercial hydronic systems

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

allowing for a "dry" upgrade that does not require system depressurization

Carrier HK06WC077 Pressure Switch 30067439-890 continuously monitoring refrigerant pressuresThe 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