Provides a consistent 3 to 6 PSI compression range for reliable spring-return safety functions

Always verify the rebuild kit number located on the valve nameplate

Utilizing FKM (Viton) elastomers

Dual-Voltage Versatility: Integrated 115/208-230V capability allows technicians to carry fewer SKUs for 42 frame blower motor service calls

always verify rotation by looking at the blower from the hub/motor side to ensure it matches your existing assembly's orientation

Carrier HT31AZ241 Crankcase Heater 328140-751 Provides a consistent 3 toThe Carrier HT31AZ241 Crankcase Heater is a critical OEM replacement part designed for insertion type applications in high capacity compressor systems. Operating at 240 Volts and delivering 200 Watts of heating power, this immersion style heater is specifically engineered to fit Carrier 5H series compressors, including the 5H40 and 5H46 models. By maintaining the oil at an optimal temperature during off cycles, it effectively prevents refrigerant