{"product_id":"aupoko-valve-core-remover-installer-for-r134a-r12-2-pack-red-blue-high-low-pressure-brass-couplers","title":"Aupoko Valve Core Remover Installer for R134a\/R12, 2-Pack Red \u0026 Blue — High\/Low Pressure Brass Couplers","description":"\u003cp\u003e\u003cstrong\u003eThe Aupoko R134A R12 Valve Core Quick Remover Installer is a two-piece, adjustable high- and low-pressure coupler set that removes and installs AC valve cores without discharging refrigerant.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompact and built for fieldwork, this 2-pack from Aupoko combines a red high-pressure coupler and a blue low-pressure coupler that fit standard 1\/4-inch male flare access fittings found on automotive and residential HVAC systems. Constructed from brass alloy with a stainless-steel ball valve and threaded core remover, the tools let technicians change valve cores while keeping the system sealed. The adjustable design accommodates both R134a and R12 valve types, making it a versatile addition to service kits for repair, maintenance, and diagnostics.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this tool prevent refrigerant loss during service?\u003c\/h3\u003e\n\u003cp\u003eEach coupler includes an integrated ball valve that creates a physical seal before the core is removed. The threaded remover holds the valve core in place while the ball valve blocks flow, letting you swap cores without releasing refrigerant into the atmosphere.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in stainless-steel ball valve isolates the system.\u003c\/li\u003e\n  \u003cli\u003eThreaded remover captures and extracts the core securely.\u003c\/li\u003e\n  \u003cli\u003eWorks with 1\/4\" male flare fittings common on AC ports.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat pressure ports and sizes do the red and blue couplers fit?\u003c\/h3\u003e\n\u003cp\u003eThe red coupler is sized for high-pressure service with a 16 mm inner diameter, while the blue coupler is intended for low-pressure ports and has a 13 mm inner diameter. Both colors match standard industry practice for quick identification during service work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRed high-pressure coupler: 16 mm inner diameter for HP ports.\u003c\/li\u003e\n  \u003cli\u003eBlue low-pressure coupler: 13 mm inner diameter for LP ports.\u003c\/li\u003e\n  \u003cli\u003eColor-coded for fast selection and safer workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these tools work on different valve core types and systems?\u003c\/h3\u003e\n\u003cp\u003eYes — the installer\/remover is adjustable to accommodate common R134a and R12 valve cores used in vehicles, household air conditioners, and many HVAC systems. The tool's adjustability and robust construction make it suitable for routine maintenance and emergency repairs across multiple systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable fit for R134a and R12 valve cores.\u003c\/li\u003e\n  \u003cli\u003eCompatible with automotive and residential AC service ports.\u003c\/li\u003e\n  \u003cli\u003eDurable brass alloy body for repeated field use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and serviceable are these Aupoko couplers?\u003c\/h3\u003e\n\u003cp\u003eManufactured from a high-quality brass alloy with a stainless-steel ball valve, the couplers resist corrosion and provide reliable sealing over many service cycles. Aupoko backs the set with a 12-month warranty, offering replacements or refunds if issues arise during the warranty period.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass alloy construction for longevity and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eStainless-steel internals for reliable sealing action.\u003c\/li\u003e\n  \u003cli\u003e12-month warranty with refund or reship options from the manufacturer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: HVAC technicians, automotive mechanics, and experienced DIYers who need a dependable, compact toolset for changing valve cores without discharging refrigerant. Suitable for routine maintenance, leak checks, and quick valve-core swaps on both vehicle and home air-conditioning systems where preserving system charge is important.\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 these couplers remove valve cores without evacuating the system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The built-in ball valve and threaded remover let you swap cores while keeping the system sealed, avoiding refrigerant loss.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the tools fit both R134a and R12 valves?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are adjustable to accommodate common R134a and R12 valve cores used on vehicles and household AC systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aupoko","offers":[{"title":"Default Title","offer_id":48084333494430,"sku":"B07F9XBGHK","price":30.63,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aupoko-front-view-packaging.jpg?v=1785850368","url":"https:\/\/northtrailauto.ca\/products\/aupoko-valve-core-remover-installer-for-r134a-r12-2-pack-red-blue-high-low-pressure-brass-couplers","provider":"North Trail Auto","version":"1.0","type":"link"}