If the spider gasket is glued to the rotor, you will need to replace the entire rotor. The spider gasket will either be glued to the rotor - the bottom piece of the whole key seal assembly - or sitting inside the valve body. Unscrew the lid of your valve to access the key seal assembly. Typically, an old or damaged spider gasket is to blame for a leaking waste line. However, if this drip continues for a long time and/or the drip becomes more intense, you could have a problem on your hands. Leaking Waste LineĪ bit of water dripping out of your sand filter’s waste line after backwashing the filter is a normal occurrence. Attach your new valve handle by inserting the pin back into place, then screw the lid back on. Again, check the washer and replace if needed. Follow steps 1 and 2 listed above to remove the valve handle. Reassemble the key seal carefully, ensuring all parts go back in the right places.Ī broken multiport valve handle might seem like a bigger problem than a loose one, but it’s actually a bit easier to fix. Clean or replace if any are dirty or broken. Check the o-rings on the stem as well. Remove the current spring, and replace with a new one. Check the integrity of the washer that sits underneath the handle - replace if worn. Set the handle off to the side and lift off the top portion of the assembly. Unless you can grow an extra set of arms, you will probably need backup for this step! While pushing down on the top of the assembly, use a hammer and screwdriver to gently tap on the pin holding the handle in place until it pops out. Unscrew the lid of your valve to access the key cover assembly. Thankfully, replacing the spring is fairly simple. If you notice that your multiport valve handle is wiggly, this could be due to a loose or broken spring within the key seal assembly. Below we will explain how to repair a faulty handle. With all that being said, if your multiport valve handle is loose or broken, you won’t be able to use all the functions your valve has to offer. This function allows your pool filter to efficiently perform several maintenance operations. The pool water will be routed a certain way, depending on which setting you choose. By changing the position of the handle, you can initiate the filter, backwash, recirculate, waste, rinse, winter, or closed settings. 
These valves have a lever handle that you can rotate to set one of the seven filtering functions. As the name implies, a multiport valve has numerous internal ports, or pathways, for the pool water to flow.
The multiport valve on your sand filter is a powerful piece of pool equipment.
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