COOL BLUE - Heat Absorption Putty STOPS HEAT!
Try it out. http://www.cecilmuggy.com
Stops the Transfer of Heat down 3000 Degrees in half an inch and 100% reusable for life.
Every #HVAC truck should have a Jar on hand.
Metal Fabricators need this to focus heat, Auto body collision shops love this product.
No need to ever worry about copper fittings or valves loosening up again.
Try it out. http://www.cecilmuggy.com/products