The high-quality Martinic QS sand filtration system is the ideal solution for effective mechanical cleaning and maintaining crystal-clear water in your pool. The entire filtration system is built on a stable base plate, to which the robust Martinic polypropylene tank is firmly bolted. During development, the manufacturer placed great emphasis on user comfort and easy maintenance. The tank opens exactly in the middle, which significantly simplifies, speeds up, and makes periodic replacement of the filter sand or modern glass media much easier. Maximum tightness, strength, and safety of this split body are ensured by a robust steel clamp ring, which firmly connects the upper and lower parts of the tank and easily withstands water pressure.
This filtration set is completed by a top-quality, bolted 6-way valve from the renowned Mr.Wash brand, which serves as the control center of the entire filtration system. Using the ergonomic control lever, you can easily switch between six different modes according to your pool’s current needs. In addition to the standard filtration mode, where water passes through the sand bed and is cleaned of impurities, the valve allows you to start backwashing to clean the sand itself, followed by rinsing to settle the filter media back into place. You can also use the circulation mode for quickly mixing pool chemicals without the water passing through the filter, the full water drain mode to discharge water into the drain (suitable, for example, when vacuuming coarse dirt from the bottom or when winterizing the pool), and last but not least the “closed” position, which completely shuts off water flow and is especially useful when servicing and cleaning the pump. Martinic QS combines long service life, high efficiency, and exceptionally easy operation in one package.
The valve positions are as follows:
Technical Parameters of the Mr.Pump DE 18 Pump
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