Problems are usually misunderstandings and with a little patience, can be easily resolved.
Internally Equalized With 12" Capillary Tube
Externally Equalized With 12" Tube Length
Four Seasons 39159 Txv Internally Equalized Expansion Valve
Four Seasons 39010 Txv Internally Equalized Expansion Valve
Four Seasons 39150 Txv Internally Equalized Expansion Valve