What is the difference between 5H0635550004 and the older 5H63555-4

This is an auto-reset limit control

the Danfoss 084N3016 offers a standardized 2-wire connection and a wide temperature sensing range

Check the actual dimensions versus your cabinet

The foot mount design and color-coded wire leads—typically black (common)

Danfoss 067N9403 Expansion Valve 320819-301 What is the difference betweenThe Danfoss 067N9403 is a high performance TGEX 10 thermal expansion valve engineered for precision refrigerant metering in commercial air conditioning and heat pump systems. Featuring a 60 inch capillary tube and a straight body design, this externally equalized TXV is optimized for R22 and R407C applications with a 6 ton capacity. The 1 2" ODF inlet and 5 8" ODF outlet connections utilize copper bimetal connectors for rapid, safe brazing without the