Step 4 · Install Transition Fittings
With the galvanized pipe ends prepared, you can now install the transition fittings. Since we are using push-to-connect fittings, take the fitting and the small plastic depth gauge that came with it. Hold the gauge against the end of the cleaned pipe and use a marker to make a line on the pipe at the edge of the gauge. This mark shows how far the pipe must be inserted into the fitting for a secure connection. Now, take the push-to-connect coupling and push it firmly and squarely onto the end of the galvanized pipe. You may need to twist it slightly as you push. Continue pushing until the fitting reaches the depth mark you made. You should feel a distinct 'click' as the internal grab ring seats properly. Repeat this process on the other end of the galvanized pipe.