superseding multiple older part numbers including 35401254 and P771-7009

specifically engineered to maintain system integrity during pump-down cycles or defrost transitions

Durable Bronze Construction: Features an ASTM B584 bronze body and spring cage for long-term resistance to harsh water conditions

The V-4332-1007 valve is engineered for a maximum medium temperature of 281°F and a static pressure rating up to 345 psi

the 18C series is specifically for hot water supply boilers and storage tanks

Trane SWT4155 Pressure Switch 321894-706 superseding multiple older part numbersAs a technician, you know that protecting the compressor from low side pressure drops is non negotiable for system longevity. The Trane SWT4155 Pressure Switch is a high precision low pressure cut out switch engineered to monitor refrigerant levels and prevent catastrophic compressor failure due to loss of charge or evaporator freeze ups. This genuine Trane OEM replacement part ensures the tight tolerances required for high efficiency commercial HVAC