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Pro Seal Stop Leak - Up to 4 lb. Systems - Envirosafe - Sealant NASA Developed

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$7.50
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Product Description

Pro Seal  - Up to 4 lb System - AC Stop Leak  - Sealant formula developed by NASA for critical systems such as space flights, submarines, ect.
Sealant Can - Compatible will all oils (Mineral, POE, Pag, ect.) and all refrigerants including 410A. Will seal most small leaks in Air conditioning systems. Made by Envirosafe. Recommended to put in two cans in systems that hold 4lbs or more and older systems with  large leaks with good results (95 to 99% success rate). Tap can, purge hose, add to running system, run system for 1 hour. If low side pressure is higher than 65 psi, you can heat the can with a heat gun/hair dryer/hot water and sealant will flow into the system at the higher pressure. If air or moisture is suspected in the system, you may want to add Pro Dry or Pro Dry XL4 to the system. Found that Pro Dry/Pro Dry XL4 greatly improves the performance in older systems with air/moisture in them. Pro Dry/Pro Dry XL4 turns moisture into oil. Also available in our store.

 


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