Always verify your specific model number against the HVAC replacement parts manual

Direct OEM replacement ensures exact electrical ratings and mechanical fitment for Goodman and Amana equipment

which are common symptoms of an incorrectly sized or worn orifice

Should the spring be adjusted before or after installation

Carrier HK02ZA439 Pressure Switch Always verify your specific modelThe Carrier HK02ZA439 Pressure Switch is a high pressure safety cutout designed for precise refrigerant circuit monitoring in Carrier, Bryant, and Payne condenser units. Engineering specifications confirm a cut out pressure of 426 PSI and a cut in pressure of 320 PSI, ensuring the compressor is protected from thermal overload and system blockages. This SPST high pressure switch features a 1 4 inch female Flare nut connection with a schrader depressor