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Leak saver® direct inject sealants permanently seal small refrigerant leaks in air conditioning, automotive, and refrigeration systems Flex seal, 14 oz, black, stop leaks instantly, waterproof rubber spray on sealant coating, perfect for gutters, wood, rv, campers, roof repair, skylights, windows, and more With more the 3 million units sold of this formula since 2015, we are the most trusted leak sealant among hvac pros

Compatible with all refrigerants including freon r22, 410a, 134a. With more than 3 million units sold since 2015, our leak saver sealant formula is the preferred choice of hvac professionals Whether you're maintaining a home hvac system or fixing your car's air conditioning, choosing the right sealer makes all the difference between a quick fix and potential system damage

A good sealant can stop leaks, restore efficiency, and prevent costly repairs—but not all products deliver on their promises

Over the years, i've used many sealants, and only a handful truly stand out In this guide, i'll share 7 hvac leak sealants that have proven to be reliable solutions for sealing untraceable leaks. Find options in clear or black to blend with your surfaces for a clean, professional look. When a leak occurs, the leak saver reacts with the air and moisture at the leak site to permanently seal the leak

When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks If you suspect your system to have moisture, we recommend that you to first inject our leak saver dry. Price and other details may vary based on product size and color.

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