... split air conditioning, which connect, open or close Air Conditioner Valve is a important element of the split air conditioning, which ... liquid line, vacuumize and charge refrigerant between the outdoor unit and indoor unit. Features:@ Applicable for R22, R407C, R410A, R134A etc @ Applicabel ... -041/2"SV-055/8"SV-063/4" Air Conditioner Valve