I purchased this kit because my acid neutralizer has been consistently leaking from the backwash hose for several months. After a bit of research on the internet and YouTube I found out that this is caused by a bad piston and/or seals. YouTube videos accurately documented the installation and installation was easy - just 7 screws. It turned out that my piston was bad, which was indicated by the notch on the side of one of the ribs, which was getting bigger and increasing the leakage. If youβ¦