![]() ![]() With any cartridge pool filter, make sure all parts are in place and that the cartridge is fully seated into the open ends, top and bottom. and water can get around the filter cartridge. In this particular example, the Hayward Star Clear – if one of those little washers (# 2 or 3) or the E-clip, (#16) or the cone (#4) end up missing, is cracked or misaligned, it could allow the filter to come out of position. If the horizontal bands holding the cartridge pleats together are broken, replacement may not be too far away.Īlso at issue are the many parts used in some cartridge pool filters. If you notice holes in between the pleats, it’s time for a new cartridge. Water can bypass most directly through the cartridge. The seal is very important to prevent water from slipping by the heavy rubber ends. Instead of flowing through the cartridge (#9), and being forced through the pleated material, water can sometimes find a fast route back to the return line.Ĭartridges that are cracked on the ends, or obviously collapsed should be replaced, as they may not seat properly on the top and the bottom. CARTRIDGE POOL FILTER PROBLEMSĬartridge filters have their own unique problems that can allow water to bypass the filter cartridge. If the crack is above the sand level, or if the top of the standpipe is not pushed all the way into the top mounted multiport valve, water can be pushed into the standpipe, or into the multiport (#1), without having gone through the sand bed. If the standpipe (or the laterals (#7) at the bottom of the tank) become cracked under the sand level, you will also notice sand coming into the pool. Not very common.Īnother problem inside the sand filter can occur if the standpipe (#6) becomes cracked or breaks open. If the water can find a faster way, around the sand, or bypassing the sand – it will take an easier route, to avoid being pushed through the sand bed.įilter sand that has hardened, or calcified, due to extremely hard water or high levels of TDS can develop channels, where the water pushes itself around what has essentially become chunks of sandstone. Filters that are too small for an overpowered pump can begin to channel.
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