Pro-Grade 1 Inch Copper Press Union Fittings Lead Free Pack Of 30 Heavy Duty 300 PSI Copper Couplers For Type M L K Pipe NSF Certified Leak Proof Water Line Repair And Plumbing Jobs With Rock Solid Performance
✔️ Set includes 30 lead-free copper unions rated 300 PSI
These heavy duty press union couplers provide a straightforward way to join copper water lines during residential repairs or commercial HVAC installs. They slip easily over Type M, L, or K tubing to create a tight joint that resists leaks and handles hot or cold transfer safely. The thirty piece bundle covers bulk project needs without running back to the supplier.
✅ NSF/ANSI 61 and 372 compliant for drinkable water safety✅ Maximum operating pressure reaches 300 PSI without cracking
✅ Works seamlessly with wet connections along existing supply lines
✅ Anti-corrosion lead-free copper body withstands high heat
💡 Why are pressed copper union couplings so handy for upgrading old house water lines?
Using these fittings cuts down cleanup time while keeping your drinking water completely safe from metal contaminants.
- Pure copper material composition blocks harmful metal leaching
- 300 PSI rating prevents blowouts near booster pumps and city mains
- Union design allows straight pull removal when swapping valve sections
- Heat resistant alloy maintains structural strength through hot circulation loops