a different control kit with a dedicated transformer or thermocouple interface is required

It is the direct replacement for the phased-out RLY30012 part number

While R407C has similar pressure profiles to R22

Can I use this manifold for a 3-burner furnace

Heil Quaker ICP 1185215 TXV Kit 323055-751 a different control kit withWhen you're dealing with a refrigeration cycle losing its balance, the Heil Quaker ICP 1185215 TXV Kit is the reliable correction for unstable superheat. This thermostatic expansion valve kit is engineered for precise refrigerant flow regulation, preventing liquid slugging and ensuring your evaporator coil maintains optimal heat exchange. Designed specifically for International Comfort Products (ICP) systems? including Heil, Tempstar, and Arcoaire?