For tandem operation

If the switch fails to reset after the temperature drops below 90°F (125-35 differential)

ensuring correct low voltage communication

The Macon Controls N10777 Straight Body is a professional-grade 1-inch thermostatic radiator valve designed for precision flow control in hydronic and low-pressure steam systems

it is equipped with automatic ball checks in both the upper and lower valves to minimize fluid loss and protect personnel in the event of accidental glass breakage

Carrier EA660002 TXV Kit THPU32HP7Y For tandem operationThe Carrier EA660002 TXV Kit is a critical metered flow solution designed for R410A refrigerant residential and light commercial systems. As a veteran grade thermostatic expansion valve kit, this OEM component ensures precise superheat control, preventing liquid slugging and evaporator coil freeze ups. This HVAC expansion valve replacement features a bi metal composition for enhanced durability and thermal response, facilitating optimal heat transfer