{"product_id":"tellegloww-a-c-oil-dye-injector-kit-for-r134a-r1234yf-low-side-adjustable-coupler-uv-light-backflow-prevent","title":"Tellegloww A\/C Oil Dye Injector Kit for R134A\/R1234yf — Low-Side Adjustable Coupler, UV Light \u0026 Backflow Prevent","description":"\u003cp\u003e\u003cstrong\u003eTellegloww A\/C Oil Dye Injector Kit is a complete low-side solution for introducing oil or fluorescent dye into HVAC and automotive refrigerant systems while helping you locate leaks with a UV lamp and protective eyewear.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit combines an aluminum-alloy injector, adjustable low-side coupler options, a mini-split adapter, and a handheld UV inspection light so you can add oil or trace dye through the low-pressure suction port and then inspect for leaks safely. Components are built from corrosion-resistant brass and reinforced hose fittings intended for routine shop or DIY service on systems that use R134A, R22, R12, R1234yf and R410A-compatible interfaces.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I inject oil or fluorescent dye into an A\/C system?\u003c\/h3\u003e\n\n\u003cp\u003eUse the low-side suction method: attach the injector to the system’s low-pressure port using the adjustable R134A or R1234YF coupler, or the R410 mini-split adapter for applicable units. Turn or pull the injector handle to introduce the measured amount of oil or dye and monitor system pressure while working to avoid overfilling.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConnect the appropriate coupler to the vehicle or HVAC low-side service port.\u003c\/li\u003e\n  \u003cli\u003eSecure the injector hose to the coupler using the 1\/4\" internal thread fittings.\u003c\/li\u003e\n  \u003cli\u003eOperate the injector handle to dispense the exact volume needed.\u003c\/li\u003e\n  \u003cli\u003eCheck system pressures and restart the compressor per manufacturer guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the kit work with my refrigerant type and equipment?\u003c\/h3\u003e\n\n\u003cp\u003eThe Tellegloww kit includes adapters and couplers designed to fit common service ports, so it works with systems using R134A, R22, R12, R1234yf and many R410A mini-split fittings via the provided adapter. The hose and couplers accept standard fluorescent dyes and are suited for both automotive and residential\/commercial air conditioning units.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eR134A adjustable quick coupler for standard low-side ports.\u003c\/li\u003e\n  \u003cli\u003eR1234YF quick coupler for newer vehicle systems.\u003c\/li\u003e\n  \u003cli\u003eR410 mini-split adapter to reach smaller service ports.\u003c\/li\u003e\n  \u003cli\u003e1\/4\" internal thread fittings compatible with common dye syringes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the UV light and glasses help locate leaks?\u003c\/h3\u003e\n\n\u003cp\u003eAfter adding fluorescent dye, shine the included UV flashlight over suspect components—the dye glows under UV, revealing oil trails and leak paths that are otherwise hard to see. The UV protective glasses filter the light and enhance contrast so you can spot leaks while reducing eye strain from the lamp.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHandheld UV lamp for visual inspection of dye traces.\u003c\/li\u003e\n  \u003cli\u003eProtective glasses to improve visibility and safeguard eyes from intense UV light.\u003c\/li\u003e\n  \u003cli\u003eUse in shaded or darkened areas for best dye fluorescence.\u003c\/li\u003e\n  \u003cli\u003eIdeal for evaporators, condensers, lines, fittings, and compressor seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features are included?\u003c\/h3\u003e\n\n\u003cp\u003eThe injector housing and flashlight are crafted from lightweight aluminum alloy for strength and corrosion resistance, while couplers, adapters and reinforced brass joints provide reliable sealing and long service life. The thicker hose and reflow-resistant brass fittings reduce the risk of leaks at connection points under routine shop use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAluminum-alloy injector and flashlight bodies for durability.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty brass couplers and adapters resist rust and wear.\u003c\/li\u003e\n  \u003cli\u003eThick hose with reflow-resistant brass joints for secure fittings.\u003c\/li\u003e\n  \u003cli\u003eDesigned for repeated use with compatible fluorescent dyes and oils.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Technicians, HVAC hobbyists and vehicle owners who perform routine A\/C servicing will find this Tellegloww kit useful for targeted oil top-ups and tracer-dye leak detection without complicated equipment. It suits shops that need portable low-side injection capability and field inspections, as well as DIYers who understand refrigerant safety and follow proper handling and disposal practices.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncluded: 1 A\/C oil \u0026amp; dye injector, 1 R134A adjustable coupler, 1 R1234YF coupler, 1 R410 mini-split adapter, 1 UV flashlight (batteries not included), 1 pair UV protective glasses.\u003c\/li\u003e\n  \u003cli\u003eNote: Use with compatible fluorescent dyes and follow refrigerant manufacturer service procedures. Always work in a ventilated area and wear appropriate PPE.\u003c\/li\u003e\n\u003c\/ul\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 injector with R134A and R1234YF systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes adjustable R134A and R1234YF couplers and an adapter for many R410A mini-split ports.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the UV light come with batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The UV flashlight is included but batteries are not supplied, so bring your own.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tellegloww","offers":[{"title":"Default Title","offer_id":48080884039838,"sku":"B0CWLK14CW","price":69.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tellegloww-injector-front-view.jpg?v=1785791492","url":"https:\/\/northtrailauto.ca\/products\/tellegloww-a-c-oil-dye-injector-kit-for-r134a-r1234yf-low-side-adjustable-coupler-uv-light-backflow-prevent","provider":"North Trail Auto","version":"1.0","type":"link"}