How to Winterize your Cartridge Filter System

In areas where sub-freezing temperatures can be expected, it is important that you winterize your cartridge filter. The process is very easy and will ensure that your filter will last a long period of time. There are a few simple steps to follow in this post that will help you ensure the Cartridge Filter System is winterized.

The first thing you need to do is to make sure the pump is off. Turn off any automatic controls or circuit breakers to make sure the system cannot inadvertently turn on. Disconnect the pump and drain out all of the water. Clean the basket of any leaves or debris.

Next, you have to disconnect the filter hoses that are attached to the pool. This should be done after connecting a skimmer winterizing plate and winter return fitting plug, instructions can be found here. The hoses should be secured with clamps that can easily be removed with a screwdriver.

Any time your cartridge system is opened; air must first be bled from the filter using the air relief valve. Remove the filter cartridge and clean it according to your filter’s instruction manual. Let the cartridge dry completely.

The filter tank body should also be allowed to dry completely. Any excess water or moisture could cause mold to grow and create an unpleasant odor. Store the filter body, filter cartridge, the pump and hoses in a warm, dry area for the winter.