After years of putting up with slow filling of my water tank and having to put a plug in my coach's water hose to stop it from leaking when using the on-board water pump... I finally fixed it. The OEM check valve used by Monaco was sorry and small at best. The O ring inside would not stay in place so it would not stop back flowing of the water and it was the size of my thumb... limiting the amount of water through it. Fortunately I have your normal trailer water tank fill behind a locking door with a cap large enough to put a hose into. Without this way of filling I probably would have fixed it sooner.
Found a $5.50 1/2" PVC check valve on Ebay which I had to glue the 1/2" NPT adapters to... $0.75. New one is more than twice as long as the POS one but cutting out/shortening some of plastic tubing it attaches to was easy enough as the fittings are reusable. It is easy to clean if necessary as it unscrews exposing the spring and large ball
Found a $5.50 1/2" PVC check valve on Ebay which I had to glue the 1/2" NPT adapters to... $0.75. New one is more than twice as long as the POS one but cutting out/shortening some of plastic tubing it attaches to was easy enough as the fittings are reusable. It is easy to clean if necessary as it unscrews exposing the spring and large ball
