Carrier HK02SA445 Pressure Switch 319825-402 Adjustable Flexibility: Field-adjustable setpoint from

Adjustable Flexibility: Field-adjustable setpoint from 175°F to 215°F allows for precise calibration based on specific equipment requirements

always verify the 24V secondary voltage from the transformer and ensure all logic harnesses are seated properly to avoid ghost faults in the system's operation

this Honeywell thermostat cover protects sensitive internal pilot-bleed components while maintaining clear user accessibility to the setpoint adjustment slider

Is a separate flame sensor required

the solid copper ODF stubs on the DHY0154 allow for easy brazing without the risk of leak-prone mechanical joints

Carrier HK02SA445 Pressure Switch 319825-402 Adjustable Flexibility: Field-adjustable setpoint fromThe Carrier HK02SA445 is a critical OEM high pressure safety switch designed for precise refrigerant circuit monitoring in residential and commercial condensing units. This high pressure switch is factory calibrated with a 660 PSI cutout and a 505 PSI cut in (reset) threshold, ensuring the compressor remains protected against thermal overload and mechanical failure during extreme head pressure conditions. As a genuine Carrier replacement part, it