For accurate field sensing

The difference is simply a formatting variation in the manufacturer's numbering system

Its 5/16-inch stroke and ANSI Class IV leakage rating guarantee reliable shutoff and long-term serviceability

which provides superior leak-free performance and prevents the disc from sticking to the seat—a common issue in saturated steam environments

Direct Interface: Features an integrated LCD display for immediate diagnostic feedback and setpoint verification

Carrier HH83XB438 Circuit Breaker Refrigerant For accurate field sensingThe Carrier HH83XB438 Circuit Breaker is a critical electrical safety component engineered for HVAC system protection. Designed as a factory authorized part, this breaker is built to withstand the demanding inrush currents of industrial and residential compressors while providing precise overload and short circuit protection. HVAC technicians rely on the Carrier HH83XB438 to prevent damage to expensive control boards and motors by instantly