Is the 768A-845 compatible with my Trane furnace

Precise Fitment: Engineered specifically for Goodman and Amana gas furnaces to convert square heat exchanger outlets to round chimney pipe

Is the 8402-020BX a direct replacement for the 8402-020

Key Benefits OEM Compatibility: Specifically engineered for a precise fit with Dunkirk XEB Series II and Utica MGC Series boilers

leave the unused port open to the atmosphere

Danfoss 068U2207 Valve Els PW 17895 Is the 768A-845 compatible withThe Danfoss 068U2207 is a high performance TUAE thermostatic expansion valve designed for precision superheat control in commercial refrigeration and air conditioning systems. This externally equalized valve features a 3 8" x 1 2" flare connection configuration and is engineered for use with R22, R407C, and other compatible refrigerants. The stainless steel power element and capillary tube provide superior durability and resistance to corrosion,