as a relieving kit

preventing the common leaks often seen with aging or warped after-market equivalents

reducing mechanical stress on the heat exchanger and minimizing transient combustion noise during startup

High-Accuracy RTD: Utilizes a 1K ohm nickel temperature sensor with a thin-film material for consistent resistance tracking and long-term stability

Carrier HH83XB454 Circuit Breaker 320788-703 as a relieving kitThe Carrier HH83XB454 Circuit Breaker is a critical OEM replacement part designed for high capacity overcurrent protection in commercial HVAC systems. This 3 pole circuit breaker features a robust 48 amp rating (adjustable range typically 48 56 Amps) and is engineered for 480V 50 60 Hz applications. Utilizing a reliable hydraulic magnetic trip mechanism, it ensures precise interruption of electrical faults regardless of ambient temperature