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Carrier Pressure Switch HK02UB042
This part HK02UB042 is compatible with:
- Product Type:
- Central Air Conditioner
- Brands:
- Carrier
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Pressure Switch Customer Reviews
Common Problems Fixed by the Pressure Switch
Based on customer reports and repair data, this part commonly fixes these issues:
Central air conditioner not cooling properly
Central Air Conditioner Condenser fan motor does not run
Central Air Conditioner Condensing unit does not run
Heat pump not cooling
Heat pump not heating
Heat pump compressor won't run
About the Pressure Switch
A pressure switch is a safety device used to help prevent component and system failures. There are basically three types of pressure switches used in central air conditioning and heat pump applications: High Limit, Low Limit, and Ambient Temperature. Depending on the model, you may have one or more of these or none. The pressure switch(es) can be checked with a multimeter, referencing the wiring diagram for the circuit locations. Note: If a pressure switch needs to be replaced the refrigerant will need to be removed, requiring a qualified technician.
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