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The Best Nu Calgon Easy Seal Direct Inject of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Nu Calgon Easy Seal Direct Inject of 2023. Check our ranking below.
2,705 Reviews Scanned
- Concentrated formula means less material in system
- Clear tube so you can see the sealant go in
- No need to pump down R-410A units
- Perfect for split systems, heat pumps, microchannel coils, packaged units, and mini splits
- One time use
- Concentrated formula means less material in system
- Clear tube so you can see the sealant go in
- No need to pump down R-410A units
- Perfect for split systems, heat pumps, microchannel coils, packaged units, and mini splits
- One time use
- Insta-Seal Direct Inject for 1-1/2 Ton to 5 Ton Applications
- Concentrated formula means less material in system, Clear tube so you can see the sealant go in. Perfect for split systems, heat pumps, microchannel coils, packaged units, and mini splits. Designed for one time use.
- Optional Direct Inject Tool Sold Separately [IMAGES SHOWN ARE FOR REPRESENTATION ONLY]
- Before you have your coil condemned and spend thousands replacing your system...Watch our video to see how easy InstaSeal Direct Inject is to use!
- Replaces / Supersedes: Super Seal Flex Inject # 985 , Nu-Calgon EasySeal Direct Inject # 4050-08 , Replaces A/C Leak Freeze & A/C Leak Freeze with Magic Frost , Enviro-Safe Direct Inject , Sensible , Nu-Calgon 4050-07 , 405007 , Xantus Products XL4 # 20-101 , Vapco Express Seal and more.
- STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 7 days. 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
- WORKS WITH ALL SYSTEMS INCLUDING CARS - Our product is compatible with all systems, refrigerants (except ammonia), car refrigerants, and oils. It is great for central air conditioners, automotive air conditioners, refrigerators, ductless mini-splits, heat pumps, geothermal heat pumps, commercial refrigeration systems, micro channel coils and more. It also works with all refrigerants including R410A Freon, R22 and replacements, R134A , r1234yf, R404A, R290, R600a, and more
- STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits. NOTE: for automotive systems, you will still need the standard 134A to 1/4” charging adapter. Mini-splits may require a 5/16” to 1/4” charging adapter. You can see our straightforward installation videos below
- SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves (TXVs, TEVs, capillary tubes, etc), Schrader valves, and anything needed to service your system. Adapter required for mini splits (5/16" to 1/4") and automotive systems ( 134A to 1/4")
- THE MOST TRUSTED - The numbers don’t lie! With more than 4,000,000 units sold of our air conditioner leak sealer formula since 2015, we are the most trusted leak sealant among HVAC professionals. Proudly made in the USA. We stand 100% behind the quality of our products. If for any reason you are not satisfied with your order, reach out to us and we will make it right
- Insta-Seal Direct Inject with DYE for 1-1/2 Ton to 5 Ton Applications
- Concentrated formula means less material in system, Clear tube so you can see the sealant go in. Perfect for split systems, heat pumps, microchannel coils, packaged units, and mini splits. Designed for one time use.
- Optional Direct Inject Tool Sold Separately [IMAGES SHOWN ARE FOR REPRESENTATION ONLY]
- Before you have your coil condemned and spend thousands replacing your system...Watch our video to see how easy InstaSeal Direct Inject is to use!
- Replaces / Supersedes: Super Seal Flex Inject # 985 , Nu-Calgon EasySeal Direct Inject & UV Dye # 4050-08 , Replaces A/C Leak Freeze & A/C Leak Freeze with Magic Frost , Enviro-Safe Direct Inject , Sensible , Nu-Calgon 4050-07 , 405007 , 405011 , 4050-11 , 4050-12 , 405012 , Xantus Products XL4 30-101 , Vapco Express Seal and more.
Last update on 2025-07-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Is the nu Calgon 4050-08 easyseal Direct Inject Stop Leak?
A: I definitely am a believer in this Nu Calgon 4050-08 EasySeal Direct Inject stop leak. My apartment has a 3 ton split unit in the living room, the outdoor compressor is about 300 feet away, connected to the evaporator with copper tubing that runs through masonry under the floor.
Q: Which is the best leak sealant easyseal or nu Calgon?
A: The EasySeal line has proven to be the number one trusted leak sealant brand for years, with millions of leaks sealed. Now Nu-Calgon has made EasySeal even better with EASYSEAL ULTIMATE – the strongest and fastest leak sealant on the market, now with the ability to treat systems up to 10 tons in one application!
Q: How long does it take to install easyseal Nu-Calgon?
A: While inverted, turn piercing valve handle counter clockwise to install A/C EasySeal. Allow approx. 1 minute for product to completely enter the system. Once product is dispensed, remove hose from low side service port. Retain hose for future installations and dispose can properly.
Q: Is there an easyseal Direct Inject for sealants?
A: EasySeal Direct Inject is a new generation of sealants. Its patent pending injection method makes it easier to install than other sealants. With this new injection system, pumping down the unit is a thing of the past. EasySeal Direct Inject treats 2 to 10 tons.