Open the system’s flush valve or the faucet. Let water run for 2 minutes. Some sputtering is normal.
Cut tubing ends squarely using a sharp utility knife. Push each tube into the John Guest fitting until you hear a click. To release, push the collet inward while pulling the tube. galaxy aqua premier installation manual
If the Galaxy Aqua Premier is a variable speed model, the manual includes a section for the digital controller: Open the system’s flush valve or the faucet