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A single charging hose with an inline pressure gauge for topping up R134A automotive AC systems. The copper-alloy body and threaded fittings aim for a tight, leak-resistant seal, and the gauge gives a live pressure reading while you charge. It suits DIYers refilling one car at a time. Against full manifold-gauge sets it is simpler and lighter, but it reads one line only and gives no high-side or temperature data, so it cannot diagnose a system the way a two-gauge manifold can.
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Lowest price we've seen: $9.17 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
This is a charging hose with an integrated pressure gauge for recharging automotive air conditioning systems with R134A refrigerant. The gauge shows system pressure, so the same tool can be used to monitor pressure and to recharge.
The hose and fittings are made of copper alloy. The fittings are precision-threaded to seal tightly and limit refrigerant waste. The kit is lightweight and compact for storage.
It can be used to top off a low AC system, check system pressure, or do a full recharge. Verify the vehicle's refrigerant type before use, and follow the vehicle's service manual and safety guidelines when working with refrigerants.
