Top 10 134A Stop Leak – Air Conditioning Line Repair Tools

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1. Leak Saver

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Ideal for Most Small Home Appliances, For Systems Up to 1 Ton, Air Conditioners and Refrigeration Systems, Proudly Made in the USA, Leak Saver: Direct Inject Small System Refrigerant Leak Sealer

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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. A 5/16" to 1/4" adapter may be necessary for 410A mini-splits.

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. Perfect for small home appliances: with two million applications and counting, air conditioners, small refrigeration systems, wine coolers, this sealer can be confidently used to seal small leaks in home appliances, dehumidifiers, refrigerators, or any other small refrigeration system not exceeding 1 ton.

A 134a quick coupler is necessary for automotive systems. A permanent fix for leaks: super concentrated and made to work with all types of refrigerants not exceeding 1 ton, it’s compatible with all types of refrigerants and oils except ammonia. Made by hvac professionals: and used by them, it’s perfect for use in Split Systems, Heat Pumps, Commercial Unit Coolers, Refrigeration Systems, and more.
BrandLeak Saver #ad
ManufacturerLeak Saver #ad

2. InterDynamics

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AC Pro Car Air Conditioner R134A Refrigerant Stop Leak Kit, 3 Oz, For Rubber and Metal Leaks in O Rings and Hoses, MRL-3

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InterDynamics #ad - Seals metal leaks in condensers, evaporators, accumulators, receiver and driers. Comes with recharge hose. Safe for all r-134A systems and recovery equipment. Compatible with all lubricants. Seals rubber leaks in hoses, O-rings, gaskets.
BrandInterDynamics #ad
ManufacturerInterdynamics #ad
Height9.8 Inches
Length3 Inches
Width6 Inches
Part NumberMRL3
ModelMRL-3
WarrantyProducts are warranted to be free from defects in material and workmanship under normal use and service for a period of one 90 days from the date of purchase, unless otherwise specified on the product packaging. This warranty shall not apply to any altered products, misuse and/or negligent use of our products, accident, or normal wear and tear of our products.

3. InterDynamics

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

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

4. Supercool

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12 oz., Refrigerant, 134A Plus Stop Leak

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Supercool #ad - B>item: automotive refrigerant refrigerant Type: 134A Plus Stop Leak Country of Origin subject to change: United States. B>price for: each includes: stop leak application: automotive applications container type: Can Container Size: 12 oz.
BrandSupercool #ad
ManufacturerSUPERCOOL #ad
Part Number24049

5. InterDynamics

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

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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
Width3 Inches
Part NumberAF-3
ModelAF-3

6. BlueDevil Products

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Red Angel A/C Stop Leak & Conditioner

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

7. BlueDevil Products

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BlueDevil Products Red Angel A/C Stop Leak

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

8. Leak Saver

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

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Leak Saver #ad - 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. 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.

Made by hvac professionals: carefully designed to address exactly what HVAC professionals need based on experience, Commercial Unit Coolers, it can be used in Split Systems, Refrigeration Systems, Heat Pumps, automotive applications, and more. Super concentrated and concentration compatible with all types of refrigerants and oils except ammonia. Seals small leaks where the entire refrigerant charge is not lost within 72 hours.

A 134a quick coupler is necessary for automotive systems. A 5/16" to 1/4" adapter may be necessary for 410A mini-splits. 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. 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 Saver #ad
Part NumberLS-05ULT-3P

9. InterDynamics

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

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

10. TSI Supercool

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2 fl. oz. 60 mL, TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose

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TSI Supercool #ad - Does not contain polymers, Will Not Harm A/C System Or Components. Permanently seals Leaks in A/C and Refrigeration Systems. Compatible with All Lubricants and Refrigerants. Additive package Protects Against Future Corrosion. 2-ounce syringe treats Up to 6 Ton Units.
BrandTSI Supercool #ad
ManufacturerTSI Supercool #ad
Part Number28399
Model28399
Warrantymanufacturer warranty