Carrier HK02SB020 Pressure Switch 320819-301 Comprehensive Installation Kit: Includes U-bracket

Comprehensive Installation Kit: Includes U-bracket

technicians should ensure the existing primary and secondary 3/4" NPT fittings are in good condition or replaced during the swap

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Precision Control: The high-quality bellows mechanism provides repeatable accuracy over thousands of cycles

Carrier HK02SB020 Pressure Switch 320819-301 Comprehensive Installation Kit: Includes U-bracketThe Carrier HK02SB020 is a high precision low pressure switch designed for critical monitoring within commercial and residential HVACR systems. As a Factory Authorized Part, this single pole single throw (SPST) snap acting switch is engineered to identify drops in refrigerant pressure, effectively protecting the compressor from operating under hazardous low suction conditions. It features a factory calibrated setpoint of 8. 4 bar (approx. 121 PSI) and