{"product_id":"leak-saver-direct-inject-ac-leak-sealer-for-hvac-up-to-5-tons-works-with-r410a-r134a-no-system-disassembly","title":"Leak Saver Direct Inject AC Leak Sealer for HVAC up to 5 Tons — Works with R410A\/R134a, No-System Disassembly","description":"\u003cp\u003e\u003cstrong\u003eLeak Saver Direct Inject AC Leak Sealer is a ready-to-use HVAC additive that permanently seals small refrigerant leaks in most air conditioning and refrigeration systems up to 5 tons.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for technicians and savvy homeowners alike, this formula circulates through the refrigeration loop to find and seal pinholes and small cracks without requiring system replacement. It works with nearly every refrigerant and most system types (automotive and residential excluded only for ammonia systems), installs quickly through standard service ports, and is manufactured in the USA.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Leak Saver stop a refrigerant leak without disassembling the system?\u003c\/h3\u003e\n\u003cp\u003eThe sealant contains reactive molecules that travel with the refrigerant and become active when they encounter air and moisture at a leak site, forming a durable polymer plug. It is intended for small leaks where the system still retains most of its charge within seven days.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCirculates with refrigerant to locate leak sites automatically\u003c\/li\u003e\n  \u003cli\u003eReacts at the leak with air\/moisture to form a permanent seal\u003c\/li\u003e\n  \u003cli\u003eBest for pinholes and small cracks—large ruptures require mechanical repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich systems and refrigerants are compatible with this product?\u003c\/h3\u003e\n\u003cp\u003eLeak Saver is formulated to be compatible with a broad range of HVAC and refrigeration equipment, including central A\/C, heat pumps, ductless mini-splits, commercial refrigeration, and most automotive systems. It works with common refrigerants such as R410A, R22 (and many replacements), R134a, R1234yf and others—excluding ammonia-based systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for R410A, R134a, R1234yf, R404A, R290, R600a and many more\u003c\/li\u003e\n  \u003cli\u003eUseful in residential, commercial, and automotive HVAC applications\u003c\/li\u003e\n  \u003cli\u003eNot for ammonia systems (industrial NH3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools or adapters are needed to install Leak Saver?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: inject the sealant directly into the refrigerant line using a standard manifold gauge set or the Leak Saver Leak Shot Injection Kit for added convenience. Automotive and certain mini-split systems require a simple adapter to match the service port size before injection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with manifold gauges, hoses, and standard service tools\u003c\/li\u003e\n  \u003cli\u003eAutomotive systems need a 134A to 1\/4\" charging adapter\u003c\/li\u003e\n  \u003cli\u003eMini-splits may require a 5\/16\" to 1\/4\" adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Leak Saver safe for system components and future servicing?\u003c\/h3\u003e\n\u003cp\u003eThe formula is designed to be non-damaging to service components including gauges, hoses, expansion devices (TXVs, capillary tubes), and Schrader valves. It is formulated to remain compatible with oils and most materials used in modern HVAC equipment, allowing regular maintenance and repairs to continue.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe with manifold gauges, hoses, and service tools\u003c\/li\u003e\n  \u003cli\u003eCompatible with common system oils and expansion devices\u003c\/li\u003e\n  \u003cli\u003eDoes not require special tools for later servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Leak Saver is intended for HVAC professionals, maintenance technicians, and experienced DIYers who need a fast, non-invasive way to address small refrigerant leaks in residential, light commercial, and automotive systems (excluding ammonia systems). It’s ideal when the system retains most of its charge, when quick return-to-service is important, or as a preventative measure to protect against future small leaks.\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: How long until Leak Saver seals a leak?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Small leaks that retain most refrigerant are typically sealed within seven days as the product circulates and reacts at the leak site.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Leak Saver with R410A and automotive systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—Leak Saver is compatible with R410A and most automotive refrigerants, though automotive systems need a 134A to 1\/4\" adapter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Leak Saver","offers":[{"title":"Default Title","offer_id":48083156402334,"sku":"B071VMXMLS","price":58.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/leak-saver-front-bottle_5c487441-1cf7-4466-bee2-4ad281845e24.jpg?v=1785826844","url":"https:\/\/northtrailauto.ca\/products\/leak-saver-direct-inject-ac-leak-sealer-for-hvac-up-to-5-tons-works-with-r410a-r134a-no-system-disassembly","provider":"North Trail Auto","version":"1.0","type":"link"}