Broad Compatibility: Engineered specifically for 1/4" valve stems found in VG7000

eliminating the need for external photocells and reducing maintenance calls

Replacing a carbon-fouled or oxidized 90 degree flame sensor is standard practice for restoring peak furnace performance and ensuring contractor-grade reliability

the side connection must be the inlet to ensure proper internal core support and prevent rupture

a 325 series line regulator is required

Carrier 331709-758 TXV Kit THPU32HP7Y Broad Compatibility: Engineered specifically forThe Carrier 331709 758 TXV Kit is a precision engineered thermal expansion valve designed for R 410A refrigerant control in residential and commercial indoor coils. Built to maintain a constant superheat at the evaporator outlet, this OEM replacement part replaces aging or failed valves to prevent liquid slugging and ensure high side efficiency. As a thermostatic expansion valve, it utilizes a sensing bulb to monitor thermal load, modulating flow to