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

ensuring correct low voltage communication

but always verify if additional vibration isolators are required for your specific air handler or condenser footprint

For tandem operation

Carrier EA660002 TXV Kit THPU32HP7Y If the switch fails toThe 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