When should I change the sand in my filter?
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You should change the sand in your filter every 5-7 years. You can generally tell that it is time if your pool water is not as clear as it normally is or when you notice the interval between backwashes is shorter. You can use > this guide to walk you through it.
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How often do I have to replace the sand in my filter? What is normal operating pressure?
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On a "fresh start-up" a filter would operate anywhere between 10-20 psi. As a general rule of thumb you only want to backwash when the pressure increases 8-10 psi. You want to make certain that the pump is being turned off whenever you move the handle on the valve. Once backwashing is complete (3-5 minutes), you can switch to the rinse option to re-settle the sand bed. Sand will typically last 5-7 years. Premature backwashing will wear down the size of the sand which will cause difficulties such as cloudy water and higher operating pressures.
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I just replaced the sand in my filter. When I turned the pump on, a lot of sand shot back into the pool but there is little to no suction. What do I do?
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If you are getting sand back into the pool, that would be an indication that the laterals would need to be replaced. If I am understanding correctly, you lost suction after the sand was replaced. If so, you may want to check the line between the skimmers and the pump. The skimmer closest to the pump and filter should give you the strongest suction. You can also try blocking on of the skimmers to see if this helps.
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I need to find the side mount valve model number to replace this part for this sand filter. Do you know this model or part number ?
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I currently have a hayward s240 sand filter on a 38x18 pool. Wood the s210 be
sufficient or compatible since I have not been able to find a s240.
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I have a hayward S210S sand filter. I need instruction on how to remove and replace the bottom elbow assembly and the whole lateral assembly when I do order the parts. the problem I have is I"am not sure as to which parts to order the owners guide show one set of part n. while other place show different part no. I need help please. thanks
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Hi, Malcolm. General Instructions are available in the Hayward ProSeries Sand Filter Manual and Inyo's How To Replace Laterals in a Pentair Triton 2 Side Valve Sand Filter. The replacement Lateral Assembly - SX242MA is the correct size for the S210S Sand Filter.
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