As a sand filter collects more particles it becomes less efficient, collecting more and more dirt in the sand. The valves are either connected to top or the side of the filter, depending on the model chosen. These settings are Filter, Backwash, Rinse, Waste , Recirculate, Closed and Winterized. STATE THE PROBLEM – From the discussion above you can be fairly confident of the sequence of modes around the MPV dial, but you can't be sure where it starts. Not only that, we've also put aside some tips and tricks on when and when not to backwash your sand pool filter. Zeolite capture chloramines chemically. 6 Way Multiport valve with clear rinsing feature Sand filters must be backwashed in order to loosen up the sand and to eliminate filtered dirt through the waste system. How you often you should backwash your sand filter depends on several different factors. A typical sand filter control valve will have anywhere from 4 – 7 settings that each perform different task. Water is leaking from the backwash line / port then it is usually the spider gasket (8) that needs replaced, sometimes the spider gasket (8) and the rotor (4) are one part. With its side mount design and six positions, the Multiport Valve Kit allows you to backwash, rinse, close, re-circulate, and drain your system for simple and easy operation. Your pool filter plays a very important role in keeping your pool clean and sanitary. When the pressure gauge reaches 8 – 10 lbs. The Waste setting is considered the Rinse cycle in this case.  Posted: 9/10/2020, Steven Many people have called in asking for a new Multiport Valve (MPV) label because their label is missing or has faded to the point where they can't read it. It blocks the filter so the water has nowhere to go.  Posted: 7/17/2020, InyoPools Product Specialist Matt S. Thanks for any help. Backwashing serves a critical role in the health and efficacy of both sand and D.E. The backwash valve can sometimes malfunction in a way that causes the water to simply bypass the filter. If you’re looking for a more environmentally friend alternative then glass sand is the obvious choice. Rotate the valve handle CCW to the next deep slot.  Posted: 7/18/2018, john If you did not complete all the steps successfully, you have a MPV that does not comply with the standard settings. 2. And like I mentioned before, you should always turn the pump off when changing the filter setting. Also after the backwash, the sand tend to be loose and rinsing will help it resettle. Over time, contaminants build up in the filter media and begin to slow down the flow of water and reduce the filter’s efficiency. The sand filter plays the crucial role of capturing debris and contaminants that may enter your pool through various sources. Depress the multiport filter valve handle, move it from the RINSE position to the FILTER position & lock it there. (Diatomaceous Earth.) Turn multiport valve to backwash position. Chloramine is the byproduct of chlorine that causes redness and itching to a swimmers eyes.  Posted: 7/18/2020, InyoPools Product Specialist Matt S. The closed setting closes all the ports in the multiport valve. This attracts positively-charged toxins like iron. How to Backwash DE Filters The purpose of backwashing is to blow out the old DE, with its trapped impurities, so you can replace it with clean DE. Do you have the model number of your valve? In a sand filter, water flows into a multiport valve, down through a thick bed of filter sand, back up the multiport valve, then back to your pool via the return jets. Glass sands produces a negative charge which attracts positive charged particles like iron and manganese. The surrounding environment plays a big part in how often your sand filter will need to be backwashed. Come on, time to dive … Incoming water from the piping system is automatically directed by the Multiport Valve to the top of the filter bed. Copyright © 2020 INYOpools All rights reserved. I want to make sure it looks just as nice when they return from vacation. I'm taking care of a friends pool and the filter labels had worn off...so this will be helpful. This should be around 8 – 10 psi less than it was before the backwash. There are normally 6 different pool filter settings - Filter, Backwash, Waste, Rinse, Recirculate and Closed. How to Backwash a Sand Filter Backwashing a sand filter is easy to do on your own by following these easy steps.

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