Checkretainer ring for the following:
1. Retainer ring does nothave Teflon tape around thread or not enough.
2. Retainer ring is notthreaded in all the way. You may need to extend length with 1″ coupler.
3. Retainer ring and 1″ pipeis not glued in all the way so that it is flush with the wall.
4. If you have a monster jetyou must have the proper nozzle in jet.