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This is a recharge kit for R134a systems: a charging hose with a Fahrenheit and R134a scaled gauge, a bullet piercing tap valve, a can tap for puncture-style cans, and a self-sealing can adapter. It suits DIYers topping up a car AC or a household fridge that uses R134a. The gauge is the basic analog type, so it reads system pressure but does not measure can weight or vacuum. Against pro manifold sets it is a single-hose, single-gauge tool, and the BPV-31 valve covers 1/4, 5/16 and 3/8 inch tubing as a replacement for common part numbers.
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This kit connects an R134a refrigerant can to a refrigerator or an automotive A/C system for recharging. It works with both domestic refrigeration and automotive R134a systems. The can tap is compatible with puncture-type and self-sealing R134a cans.
One end of the hose has an R134a puncture tap that connects directly to a puncture-type can. The other end has a 1/4 SAE female fitting that connects to the system's male fitting. The color gauge has Fahrenheit and R134a scale readings.
To use a self-sealing can, attach the self-sealing adapter, which has an RH thread. Remove the adapter to use a puncture-type can. The BPV-31 bullet piercing tap valve is made of metal for durability and corrosion resistance. It can serve as a replacement part.