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What is the purpose of the 3/8" side tapping
ensuring hole-for-hole alignment
This assembly is identical to Q314A3471
HVAC safety switches must match the manufacturer's specified set point (in this case
built to the exact specifications required by Carrier
Trane VAL4222 TXV 319848-301 What is the purpose ofThe Trane VAL4222 TXV is a high performance thermostatic expansion valve engineered for precision refrigerant metering in R22 systems. Designed for 2. 5 ton capacity applications, this OEM component maintains optimal superheat by regulating the flow of R 22 refrigerant into the evaporator coil. The VAL4222 features a 3 8 inch inlet and a 1 2 inch outlet, making it a direct fit for many Trane residential split systems and light commercial air handlers.
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