FSN O-Ring...Band Assembly/Belly Band Clamp Leaking On DE Pool Filter
by Bob Proietto
I have a leak at the O ring band assembly. The O ring has no nicks and I use a magic lube lube. How often should these be replaced? It was fine and then I disassembled to clean and now cannot stop it from leaking. Thanks for the question Bob Most DE filters have a belly band clamp with a large O-ring/gasket between top tank and bottom tank. The O-ring can loosen, come out of the track, become distended or flattened if it's not placed correctly. It may need to be replaced if water is leaking from the center clamp. Be sure you're putting the top of the tank on the bottom exactly as it should be. Sometimes I had to wiggle it a bit, or slide the top back and forth just a hair to allow the top of the tank to seat correctly on the bottom. Having a pinched O-ring is the most probable answer, or it's not seated correctly. There's no harm in replacing the O-ring, but you want to be sure the one you have is in good condition before spending any money. No tears or rips. Be sure to clean the O-ring very well. Any dirt particles and you might not get a good seal. If your DE filter tank is leaking, not the belly band, bulkhead fittings or air bleed assembly, you'll probably need to replace the leaking tank half or the entire filter. Unfortunately there's no way to repair tank damage. Hope this helps and have a fun and safe swimming season. Robert |
