We recommend inspection during every seasonal startup

a 440V unit can safely replace a 370V model provided the 35/5 microfarad ratings are identical

Field technicians prioritize this HVAC replacement part for its precise fitment and lead-wire durability

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Engineered from 12-inch 316 stainless steel

Carrier HK02ZB027 Pressure Switch We recommend inspection during everyThe Carrier HK02ZB027 is a critical OEM low pressure switch designed for precision monitoring in residential and commercial HVAC systems. This genuine Carrier part is engineered to protect the compressor by cutting the electrical circuit when refrigerant pressure drops below safe levels, effectively preventing overheating and potential burnout. This specific model, which is identical to HK02ZB027B, features a fixed setpoint of 27 PSI open and 67 PSI