If your home is plumbed with PEX or plastic pipe ... look for two flats on the sides of the valve body. Shut off the water at the main shutoff valve. If you have a gas water heater, turn the ...

Cut the PEX off perfectly square for leakproof joints ... Crimp special PEX water line shutoff valves into the hot and cold lines. You can also use standard shutoff valves with threaded fittings ...