Optimized Power Draw: 12-watt rating provides sufficient magnetic flux for valve actuation while minimizing energy consumption

For T-4000 series units equipped with specialized security screws

The rugged construction and specialized bellows make it the industry standard for ammonia-based refrigeration pressure control

Instant Responsiveness: Designed with zero inter-purge (0IP) and zero pre-purge

The Ranco A22-391 Constant Differential Control is a specialized temperature control switch engineered for high-demand commercial refrigeration and freezer applications

Carrier 331709-756 TXV Kit 326070-701 Optimized Power Draw: 12-watt ratingThe Carrier 331709 756 TXV Kit is a field installed R 410A thermal expansion valve designed for precision refrigerant metering in high efficiency residential heat pumps and air conditioning systems. Engineered for Carrier, Bryant, and Payne fan coils and evaporator coils, this hard shut off TXV manages superheat under varying thermal loads to prevent liquid slugging and ensure optimal evaporator saturation. The kit utilizes a mechanical flare fitting