Nov 12, 2009 #1 regs09 Electrical Oct 22, 2009 11 when do i have to replace a thermostatic expansion valve? Is there a specific date or months to replace a TEV just like change oil every 6 months?
when do i have to replace a thermostatic expansion valve? Is there a specific date or months to replace a TEV just like change oil every 6 months?
