ComStar Copper Lock, 2 oz, Liquid Solder for Copper & Brass Pipes - Permanent Pinhole Leak Fix & Pipe Repair - No Heat, No Torch Plumbing Adhesive - High Pressure HVAC Sealant Up to 500 PSI (10-800)

ComStar Copper Lock, 2 oz, Liquid Solder for Copper & Brass Pipes - Permanent Pinhole Leak Fix & Pipe Repair - No Heat, No Torch Plumbing Adhesive - High Pressure HVAC Sealant Up to 500 PSI (10-800)

• THE ULTIMATE PINHOLE LEAK FIX: Stop leaks instantly without draining the entire system. Copper Lock is the #1 solution for copper pipe pinhole leak repairs and emergency plumbing fixes where a torch is too dangerous or inconvenient.
• REPLACES BULKY SOLDERING KITS: Why buy a full plumbing soldering kit? This 2 oz bottle provides a professional-grade "liquid solder" bond that exceeds US Military specs. No flux, no heat, and no heavy equipment required.
• INSTANT 60-SECOND BOND: Achieve a leak-proof, permanent seal in under a minute. Perfect for HVAC technicians and DIYers who need a fast-acting joint solution for copper, brass, and yellow metals (Soldadura para cobre).
• HIGH-PRESSURE HVAC RELIABILITY: Engineered for extreme environments, it withstands up to 500 PSI of contained pressure and temperatures from -60°F to +300°F. Compatible with all refrigerants and common household liquids.
• SAFE FOR TIGHT SPACES: Ideal for repairs near insulation, drywall, or wood studs where an open flame is a fire hazard. Create a gas-tight, permanent bond in "no-burn" zones with ease.