{"product_id":"wadoy-r134a-charging-hose-with-gauge-19-inch-can-tap-adapter-three-scale-dial","title":"Wadoy R134a Charging Hose with Gauge — 19-inch Can-Tap Adapter, Three-Scale Dial","description":"\u003cp\u003e\u003cstrong\u003eWadoy's R134a charging hose with gauge is a 19-inch can-tap adapter that lets you pierce refrigerant cans and feed R134a into R-12\/R-22 refrigerator service ports while monitoring pressure on a three-scale gauge.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned specifically for home refrigeration maintenance, this compact charging hose combines a built-in gauge and a piercing can-tap so you can refill compatible refrigerators quickly and clearly. Its three-scale dial reads R134a, R12 and R22 pressures, and the threaded can tap attaches to piercing-type refrigerant cans (not self-sealing). The 19\" hose length keeps the gauge close to the can and port for accurate reading during service jobs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose let me use an R134a can on an R-12 or R-22 fridge port?\u003c\/h3\u003e\n\u003cp\u003eThe adapter threads onto a piercing-style R134a can and uses a service port connector designed to fit R-12\/R-22 ports, enabling refrigerant transfer between different port types. It does not chemically convert refrigerants; it provides a mechanical connection and pressure readout so you can perform additions safely and procedurally.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePiercing can tap attaches to disposable R134a cans.\u003c\/li\u003e\n  \u003cli\u003eService fitting mates with R-12\/R-22 style refrigerator ports.\u003c\/li\u003e\n  \u003cli\u003eGauge displays the active system pressure on three scales.\u003c\/li\u003e\n  \u003cli\u003e19\" hose keeps components accessible and visible while charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the gauge tell me, and how accurate is it for home use?\u003c\/h3\u003e\n\u003cp\u003eThe dial provides three separate scales labeled R134a, R12 and R22 so you can interpret pressure according to the refrigerant type. For home refrigerator top-ups and troubleshooting it gives a clear working indication of pressure; for critical diagnostics or vehicle A\/C service, professional equipment is recommended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle gauge shows pressures for three common refrigerants.\u003c\/li\u003e\n  \u003cli\u003eEasy-to-read markings for quick decision-making during charging.\u003c\/li\u003e\n  \u003cli\u003eUseful for monitoring pressure while adding small refrigerant amounts.\u003c\/li\u003e\n  \u003cli\u003eNot intended as a precision laboratory instrument.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about compatibility and safe use?\u003c\/h3\u003e\n\u003cp\u003eThis hose was built mainly for household refrigerator service using piercing-type refrigerant cans. It is not compatible with self-sealing cans and is not supplied with automotive quick-couplers; using it on car systems requires an additional low-pressure adapter and appropriate safety measures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks only with piercing-style R134a disposable cans.\u003c\/li\u003e\n  \u003cli\u003eNot compatible with self-sealing can valves.\u003c\/li\u003e\n  \u003cli\u003eFor automotive A\/C, obtain a low-pressure quick coupler adapter before use.\u003c\/li\u003e\n  \u003cli\u003eFollow refrigerant handling guidelines and local regulations when charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I operate the can tap and charging hose step-by-step?\u003c\/h3\u003e\n\u003cp\u003eAttach the can tap to an unopened piercing-type R134a can, connect the service fitting to the refrigerator port, pierce the can following the tap's threading instructions, then open the can valve slowly while watching the gauge. Close valves and disconnect once the target pressure or amount is reached and dispose of the empty can per local rules.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScrew the tap onto the refrigerant can snugly before piercing.\u003c\/li\u003e\n  \u003cli\u003eConnect the hose fitting to the refrigerator service port securely.\u003c\/li\u003e\n  \u003cli\u003ePierce and open the can slowly; monitor pressure continuously.\u003c\/li\u003e\n  \u003cli\u003eShut off and vent remaining pressure before disconnecting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Wadoy's R134a charging hose with gauge is aimed at homeowners, small-appliance technicians, and DIYers who need a compact, easy-to-use tool for topping up refrigerators that accept R-12 or R-22 style service ports using piercing-style R134a cans. It suits low-volume maintenance tasks where a simple, visible gauge and a reliable mechanical connection are more important than professional-grade manifold sets. If you require automotive A\/C service, precision calibration, or work with self-sealing cans, plan to supplement this tool with the proper adapters or commercial equipment.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this with self-sealing refrigerant cans?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The Wadoy can tap is designed for piercing-type disposable R134a cans only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose suitable for automotive A\/C systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not directly. Automotive service requires a low-pressure quick coupler adapter and professional practices.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Wadoy","offers":[{"title":"Default Title","offer_id":67595451859129,"sku":"B07JWJRHKQ","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/wadoy-front-view-packaging-hose-gauge.jpg?v=1790587749","url":"https:\/\/redleafauto.ca\/products\/wadoy-r134a-charging-hose-with-gauge-19-inch-can-tap-adapter-three-scale-dial","provider":"Redleaf Auto","version":"1.0","type":"link"}