anyone else having TXV problems from these units....matched with a cbx27uh AH????? outdoor valves all winter and are now doing the indoor...most are 3yrs and under....most are 410 units......didn't parker get that worked out???? i have and idea but just wanted to ask u guys..... ps.....my serv. mgr. now having us install pistons in there place on the evap. i know thats just wrong but he the boss.....