Jul 20, 2010 - A sand filter uses a multi-port valve to operate the filter which removes dirt, algae and visible contaminants that enter a swimming pool. We've got everything you need to know about swimming pool sand filters. . on the type of filter you have, you might be faced with a few pool sand filter settings . Hayward Pro-series Sand Filter top-mount and side-mount sand filters. . Sand Filtration employs a simple technique of water filtering down through a bed of . very effective method to give you the filtration you need to clean your pool water. . TYPE OF SAND - Filter sand should feel coarse; if not, it may be time to replace it. Runs pool water from your pump through the sand filter If you click this link and make a . Hayward S210T ProSeries Top-Mount Sand Filter - 20 in. . This setting closes all the ports in your multiport valve for closing your pool or stopping water . Learning how to clean a sand filter is key to performing regular pool maintenance so you water remains clean, clear and safe for swimming all summer long. . However, there can be other types of contaminants that will clog your sand filter. . Your pool filter valve is most likely set on the FILTER setting for normal operation. . Reader, which gives you instant access to PDF files. Please note: The majority of our literature and brochures are in English only. All (0). APPLY FILTER . SAVE THIS OWNER'S MANUAL. PL SAND FILTERS. OWNER'S MANUAL. Hayward Pool Products (Australia) Pty Ltd. Melbourne-Sydney-Brisbane-Perth. pool sand filter maintenance, backwash pool filter, pool filter sand, swimming . on this type of valve are as follows: Filter. This is the normal setting for the valve. . This setting is used to flush out any dirt, debris, or excess pool filter sand that . Every 5 - 7 years you will have to replace the sand in your sand filter. . You will notice that your pool water is not as clean or the interval between required . This unit (Hayward S180T) uses 3 50 lb bags of sand - 150 lbs total. filter, or if you have an above ground setup, you could change your filter sand in an hour or two.