Carrier HH18JA066 Defrost Thermostat Freon The MARS 33242 Relay is

The MARS 33242 Relay is a specialized 24V SPST-NO time delay relay engineered for precise control in HVACR systems

Key Technical Benefits Universal Compatibility: Engineered as a precise HS4GF15A24 replacement for rapid field service

5 to 135 Amps at 50/60 Hz

service technicians can maintain factory-specified head pressures and system efficiency

Carrier HH18JA066 Defrost Thermostat Freon The MARS 33242 Relay isThe Carrier HH18JA066 Defrost Thermostat is a critical surface mount component designed to regulate the defrost cycle in residential and commercial heat pump systems. Engineered for precise temperature sensing, this XS TEMP ACT SWITCH monitors the outdoor coil to prevent excessive ice accumulation, which can lead to reduced heat transfer and potential compressor strain. As a veteran grade Carrier replacement part, the HH18JA066 features a bimetal disc