Top 8 R-134a Stop Leak – Air Conditioning Line Repair Tools

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1. InterDynamics

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CERT325-6, for Rubber and Metal Leaks in O Rings and Hoses, 3 Oz, InterDynamics Certified AC Pro Car Air Conditioner R134A Refrigerant Stop Leak Kit

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InterDynamics #ad - Seals metal leaks in condensers, accumulators, evaporators, receiver and driers. Professional grade. Safe for all R-134a systems. Comes with recharge hose. Seals rubber leaks in hoses O-rings and gaskets.
BrandInterDynamics #ad
ManufacturerInterdynamics #ad
Part NumberCERT325-6
ModelCERT325-6
WarrantyManufacturer’s warranty can be requested from customer service.

2. BlueDevil Products

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BlueDevil Products Red Angel A/C Stop Leak

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BlueDevil Products #ad - Remarkable ability to repair and seal leaks in condensers, gaskets, connection hoses, evaporators, and O-rings. Contains no solid or particulate matter that will clog the A/C system, or harm a recovery unit. Forms a chemical weld sealing leaks in both R-12 or R-134a systems. Guaranteed. Safe to use and best of all — it’s a permanent seal.
BrandBlueDevil Products #ad
ManufacturerBlueDevil Products #ad
Height3.9 Inches
Length0.9 Inches
Weight0.11 Pounds
Width2 Inches
Part Number49496
Model49496
Warrantylimited

3. BlueDevil Products

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Red Angel A/C Stop Leak & Conditioner

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BlueDevil Products #ad - Guaranteed Permanent Seal. Will not clog or damage the A/C System or Recovery Unit. Compatible with R-134a.
BrandBlueDevil Products #ad
ManufacturerBlueDevil Products #ad
Weight0.28 Pounds
Part Number00222
Model00222

4. InterDynamics

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Interdynamics EZ Chill Car Air Conditioner R134A Refrigerant, AC Recharge Kit with Hose and Gauge, 18 Oz, EZC7

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InterDynamics #ad - Replaces lost r-134a refrigerant and oil in automotive A/C system; easy to read gauge. Contains leak sealer to stop most common leaks in rubber hoses gaskets and O-rings. Contains r-134a gas which is acceptable for use in motor vehicle A/C MVAC systems. Self dispensing can has reusable recharge hose and in line pressure gauge. Complies with section 612 of the epA Clean Air Act, EPA Compliant in Self Sealing Cans.
BrandInterDynamics #ad
ManufacturerInterdynamics #ad
Height12 Inches
Length3 Inches
Weight1.55 Pounds
Width3 Inches
Part NumberMAC-134
ModelEZC7

5. InterDynamics

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AF-3, AC Recharge Kit, InterDynamics Arctic Freeze Car Air Conditioner Synthetic R134A Refrigerant, 12 Oz

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InterDynamics #ad - System-safe leak sealer additive seals common A/C leaks in rubber hoses, gaskets, and O-rings. Replaces lost r-134a refrigerant and oil in automotive A/C system; ACME threaded top; Recharging hose sold separately. Contains r-134a gas which is acceptable for use in motor vehicle A/C MVAC systems. Formulated with advanced QwikBoost chemistry for colder air up to 50% faster and eliminate moisture buildup. Complies with section 612 of the epA Clean Air Act, EPA Compliant in Self Sealing Cans.
BrandInterDynamics #ad
ManufacturerInterdynamics #ad
Height3 Inches
Length5 Inches
Weight0.94 Pounds
Width3 Inches
Part NumberAF-3
ModelAF-3

6. InterDynamics

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InterDynamics LDS1DC Air Conditioning Tool

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InterDynamics #ad - Eliminates odor. Refrigerant Leak Detector and Sealer. Direct charge" 3 oz. Package dimensions: 6. 5 l x 2. 25 h x 2. 25 w inches.
BrandInterDynamics #ad
ManufacturerInterdynamics #ad
Height2.25 Inches
Length6.5 Inches
Weight0.24 Pounds
Width2.25 Inches
Part NumberLDS1DC
ModelLDS1DC
WarrantyLIMITED WARRANTY

7. Leak Saver

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3-in-1 Leak Sealant with Moisture Remover and UV Dye for Air Conditioner, Heat Pumps and More, Works on most HVAC and Automotive Systems, Proudly Made in the USA, Leak Saver: Direct Inject Ultimate

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Leak Saver #ad - The easiest injection method: patent-pending and made to be completely fuss-free, no pump downs, syringes, or pressure-sensitive cans needed again! Comes with 1/4" male and female connections. Over 2 million leaks sealed: confidently use our trusted direct Inject refrigerant leak sealer that has worked for more than 2, 000, 000 applications on systems up to 5 tons.

A 5/16" to 1/4" adapter may be necessary for 410A mini-splits. A 134a quick coupler is necessary for automotive systems. 3-in-1 fast-acting repair: permanently seals small refrigerant leaks, removes system moisture by converting it into synthetic oil, and detects major leaks with UV Dye. Seals small leaks where the entire refrigerant charge is not lost within 72 hours. Super concentrated and concentration compatible with all types of refrigerants and oils except ammonia.

Made by hvac professionals: carefully designed to address exactly what HVAC professionals need based on experience, Refrigeration Systems, automotive applications, Heat Pumps, Commercial Unit Coolers, it can be used in Split Systems, and more.100% satisfaction guarantee: if you’re not satisfied with this product, get your next Direct Inject Ultimate at no cost by contacting us it must be installed by certified HVAC techs.
BrandLeak Saver #ad
ManufacturerLeak Saver #ad
Height50 Centimeters
Length100 Centimeters
Weight100 Kilograms
Width100 Centimeters
Part NumberLS-05ULT-6P

8. Leak Saver

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Proudly Made in the USA, Refrigerant Leak Sealer, Compatible With Most Air Conditioner and Refrigeration Systems, For Systems Up to 5 Tons, Leak Saver: Direct Inject

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Leak Saver #ad - Take a look at the numbers: two million applications and counting, you can confidently seal small refrigerant leaks with a proven leak sealer systems up to 5 tons. Made by hvac professionals: and used by them, it’s perfect for use in Split Systems, Refrigeration Systems, Heat Pumps, Commercial Unit Coolers, and more.

A permanent fix for leaks: super concentrated and made to work with all types of refrigerants, it’s compatible with all types of refrigerants and oils except ammonia. 100% satisfaction guarantee: we’re so sure this will seal your next leak that if it doesn’t, contact us for another at no cost must be installed by certified HVAC techs.

A 5/16" to 1/4" adapter may be necessary for 410A mini-splits. A 134a quick coupler is necessary for automotive systems. The easiest injection method: patent-pending and made to be completely fuss-free, no pump downs, syringes, or pressure-sensitive cans needed again! Comes with 1/4" male and female connections.
BrandLeak Saver #ad
ManufacturerLeak Savers #ad
Height0.6 Inches
Length6.5 Inches
Weight0.2 Pounds
Width9.6 Inches
Part NumberLS-LS-1
ModelLS-05