Backwash Valve
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 PENTAIR 263064 2 PVC Slide Pump Backwash Valve for Side Mount Sand DE Filters $71.95 Time Remaining: 13d 8h 40m Buy It Now for only: $71.95 Buy It Now | Add to watch list |
 Hayward SP0715ALL Pro Series Control Valve Vari Flo Multiport Filter Controller $78.58 Time Remaining: 8h 29m Bid now | Add to watch list |
 Hayward Pro Series S180T Above Ground Swimming Pool Sand Filter w SP0714T Valve $185.00 Time Remaining: 14d 5h 31m Buy It Now for only: $185.00 Buy It Now | Add to watch list |
 New HAYWARD Pro S220T 22 In Ground Swimming Pool Sand Filter Tank w Valve $346.95 Time Remaining: 1d 14h 36m Bid now | Add to watch list |
 INTEX Krystal Clear 1600 GPH Above Ground Swimming Pool Sand Filter Pump 56673EG $156.99 Time Remaining: 15d 2h 25m Buy It Now for only: $156.99 Buy It Now | Add to watch list |
 INTEX 2650 GPH Above Ground Pool Sand Filter Pump $217.99 Time Remaining: 18d 8h 53m Buy It Now for only: $217.99 Buy It Now | Add to watch list |
 145 Above Ground Swimming Pool Sand Filter with Hoses $79.00 Time Remaining: 10h 1m Bid now | Add to watch list |
 Hayward SP0714T Top Mount 6 Way Pool Sand Filter Valve $75.99 Time Remaining: 14d 8h 1m Buy It Now for only: $75.99 Buy It Now | Add to watch list |
 NEW JANDY SFTM25 25 InGround Swimming Pool Sand Filter Tank Top Mount w Valve $367.95 Time Remaining: 1d 14h 39m Bid now | Add to watch list |
 1 HP Swimming POOL FILTER PUMP 22 Sand Tank System LOWEST PRICE PERIOD $285.00 Time Remaining: 19d 6h 54m Buy It Now for only: $285.00 Buy It Now | Add to watch list |
 Hayward Pro Series 24 Tank S244T Inground Swimming Pool Sand Filter $303.99 Time Remaining: 19d 3h 14m Buy It Now for only: $303.99 Buy It Now | Add to watch list |
 INTEX 1600 GPH Saltwater System Sand Filter Pump Set $348.00 Time Remaining: 11h 58m Bid now | Add to watch list |
 Intex Krystal Clear 1600 GPH 1 2 HP Swimming Pool Sand Filter Pump 56673EG $156.99 Time Remaining: 14d 1h 49m Buy It Now for only: $156.99 Buy It Now | Add to watch list |
 2 HP 2 SPEED Swimming POOL FILTER PUMP 22 Sand Tank System Above Ground $375.00 Time Remaining: 12h 14m Bid now | Add to watch list |
 Intex Krystal Clear 14 Sand Filter Pump For Aboveground Swimming Pool 56673EG $159.00 Time Remaining: 4d 1h 58m Buy It Now for only: $159.00 Buy It Now | Add to watch list |
 INTEX 1600 GPH Saltwater System Sand Filter Pump Set $349.00 Time Remaining: 14d 2h 51m Buy It Now for only: $349.00 Buy It Now | Add to watch list |
 NEW PENTAIR 180008 FNS Plus FNSP48 Inground Swimming Pool DE Filter 48 Sq Ft $668.95 Time Remaining: 12h 41m Bid now | Add to watch list |
 CLEAN CLEAR PLUS 320 POOL FILTER 160340 PENTAIR 320 $598.90 Time Remaining: 23d 2h 32m Buy It Now for only: $598.90 Buy It Now | Add to watch list |
 PENTAIR 160340 CCP320 Clean Clear Plus Cartridge Inground Swimming Pool Filter $644.95 Time Remaining: 14h 59m Bid now | Add to watch list |
 2 HP Swimming POOL FILTER PUMP 22 Sand Tank System Above Ground SUPER SALE $345.00 Time Remaining: 19d 6h 54m Buy It Now for only: $345.00 Buy It Now | Add to watch list |
 New Genuine Hayward Vari Flo Multiport Valve SP0714T $83.70 Time Remaining: 28d 7h 3m Buy It Now for only: $83.70 Buy It Now | Add to watch list |
 NEW PENTAIR 180009 FNS Plus FNSP60 Inground Swimming Pool DE Filter 60 Sq Ft $734.00 Time Remaining: 14h 10m Bid now | Add to watch list |
 PENTAIR 263064 2 Slide Pool Pump Backwash Valve PVC $71.95 Time Remaining: 13d 9h 56m Buy It Now for only: $71.95 Buy It Now | Add to watch list |
 NEW PENTAIR 180007 FNS Plus FNSP36 Inground Swimming Pool DE Filter 36 Sq Ft $628.95 Time Remaining: 14h 34m Bid now | Add to watch list |
 Swimming Pool Sand Filter Pump 1 2HP works on Intex Pools $146.89 Time Remaining: 23d 14h 5m Buy It Now for only: $146.89 Buy It Now | Add to watch list |
 INTEX 1600 GPH Krystal Clear Sand Filter Pool Pump Saltwater System $329.00 Time Remaining: 19d 2h 7m Buy It Now for only: $329.00 Buy It Now | Add to watch list |
 HAYWARD S244T PRO SERIES INGROUND SAND FILTER W VALVE $199.00 Time Remaining: 1d 23h 36m Buy It Now for only: $275.00 Buy It Now | Bid now | Add to watch list |
 Hayward S210T93S Above Ground Swimming Pool Sand Filter w 15 HP Pump S210T $459.99 Time Remaining: 6d 4h 1m Buy It Now for only: $459.99 Buy It Now | Add to watch list |
 NEW PENTAIR 140315 TR100C Commercial Swimming Pool Spa Sand Filter Side Mount $729.99 Time Remaining: 11h 33m Bid now | Add to watch list |
 INTEX 2650 GPH Saltwater System Sand Filter Pump Set $439.00 Time Remaining: 20d 3h 23m Buy It Now for only: $439.00 Buy It Now | Add to watch list |
 INTEX 2650 GPH Above Ground Pool Sand Filter Pump $218.99 Time Remaining: 27d 12h 8m Buy It Now for only: $218.99 Buy It Now | Add to watch list |
 NEW PENTAIR 140315 TR100C Commercial Swimming Pool Spa Sand Filter Side Mount $849.99 Time Remaining: 13h 40m Bid now | Add to watch list |
 2 HP Swimming POOL PUMP 22 Sand FILTER System DEAL 1 $349.99 Time Remaining: 16d 5h 41m Buy It Now for only: $349.99 Buy It Now | Add to watch list |
 NEW Hayward 2 Threaded SP0715ALL Pro Series Vari Flo Side Mount Control Valve $79.99 Time Remaining: 1d 9h 26m Buy It Now for only: $89.99 Buy It Now | Bid now | Add to watch list |
 Hayward Pool SP0714T Pro Series Vari Flo XL Multiport Control Valve Brand NEW $89.99 Time Remaining: 27d 11h 55m Buy It Now for only: $89.99 Buy It Now | Add to watch list |
 NEW PENTAIR 273241 PVC SLIDE VALVE PISTON ROD ASSEMBLY $67.50 Time Remaining: 9d 11h 22m Buy It Now for only: $67.50 Buy It Now | Add to watch list |
 NEW HAYWARD VL40T32 VL Above Ground Swimming Pool Sand Filter w Pump System $207.95 (2 Bids) Time Remaining: 1d 12h 44m Bid now | Add to watch list |
 WaterWay ClearWater Top Mount Swimming Pool Sand Filter $187.06 Time Remaining: 3d 5h 38m Buy It Now for only: $187.06 Buy It Now | Add to watch list |
 2 HP 2 SPEED Swimming POOL FILTER PUMP 22 Sand Tank System Above Ground $375.00 Time Remaining: 1d 12h 16m Bid now | Add to watch list |
 Intex 2200 GPH 95 HP Swimming Pool Sand Filter Pump $216.99 Time Remaining: 24d 5h 27m Buy It Now for only: $216.99 Buy It Now | Add to watch list |
 Swimming Pool Sand Filter Pump 1 2HP works on Intex Pools INCLUDES HOSES $146.89 Time Remaining: 16d 7h 59m Buy It Now for only: $146.89 Buy It Now | Add to watch list |
 HAYWARD PRO SERIES S180T93S Above Ground Swimming Pool Sand Filter + 15 Pump $430.95 Time Remaining: 1d 13h 37m Bid now | Add to watch list |
 Pentair Tagelus Pool Sand Filter Top Mount Valve 262506 $119.95 Time Remaining: 22d 1h 7m Buy It Now for only: $119.95 Buy It Now | Add to watch list |
 Waterway Clearwater 16 Swimming Pool Sand Filter has Durable Roto Molded Tank $109.00 Time Remaining: 2d 10h Bid now | Add to watch list |
 Intex Krystal Clear 12 Sand Filter Pump For Aboveground Swimming Pool 56685EG $143.00 Time Remaining: 3d 7h 49m Buy It Now for only: $143.00 Buy It Now | Add to watch list |
 SAND FILTER SYSTEM for Above Ground Swimming Pools NEW $146.89 Time Remaining: 11d 4h 35m Buy It Now for only: $146.89 Buy It Now | Add to watch list |
 PENTAIR SM 10 DE POOL FILTER BACKWASH CONTROL W SPIDER GASKET COVER O RING $35.00 Time Remaining: 8h 34m Buy It Now for only: $42.00 Buy It Now | Bid now | Add to watch list |
 22 SAND FILTER TANK 6 way VALVE Above Ground Pool $193.99 Time Remaining: 1d 3h 59m Buy It Now for only: $193.99 Buy It Now | Add to watch list |
 PENTAIR 263064 2 PVC Slide Pump Backwash Valve for Side Mount Sand DE Filters $70.95 Time Remaining: 13h 35m Bid now | Add to watch list |
 15 HP 2 SPEED Swimming POOL FILTER PUMP 22 Sand Tank System Above Ground $379.00 Time Remaining: 22d 4h 28m Buy It Now for only: $379.00 Buy It Now | Add to watch list |
 Hayward Pro Series 21 S210T Above Ground Swimming Pool Sand Filter w Valve $252.00 Time Remaining: 14d 5h 31m Buy It Now for only: $252.00 Buy It Now | Add to watch list |
 Hayward Slide Valve 4 Pro grid DE Filter SP 410 A $35.00 Time Remaining: 7d 2h 51m Buy It Now for only: $44.00 Buy It Now | Bid now | Add to watch list |
 Hayward 48 SQ FT Pro Grid Inground Swimming Pool DE Filter DE4820 $625.00 Time Remaining: 22d 13h 56m Buy It Now for only: $625.00 Buy It Now | Add to watch list |
 PAC FAB POOL FILTER CONTROL COVER IN VERY GOOD WORKING CONDITION $35.00 Time Remaining: 8h 48m Buy It Now for only: $40.00 Buy It Now | Bid now | Add to watch list |
 PENTAIR POOL CLEAN CLEAR PLUS 420 FILTER 160301 CCP420 $566.00 Time Remaining: 23d 10h 45m Buy It Now for only: $566.00 Buy It Now | Add to watch list |
 Hayward Sand Filter Side Mount Valve SPX0710X32 $124.99 Time Remaining: 25d 3h 58m Buy It Now for only: $124.99 Buy It Now | Add to watch list |
 2 HP 2 SPEED Swimming POOL FILTER PUMP 22 Sand Tank System Above Ground $375.00 Time Remaining: 2d 12h 22m Bid now | Add to watch list |
 Hayward Multiport Pool Filter Backwash Valve SP0710XALL $99.95 Time Remaining: 28d 23h 19m Buy It Now for only: $99.95 Buy It Now | Add to watch list |
 2 HP Swimming Pool Pump and 22 Sand Filter with Hoses for Above Ground Pools $242.50 (19 Bids) Time Remaining: 13h 29m Bid now | Add to watch list |
 Hayward Pro Series S166T Above Ground Swimming Pool Sand Filter SP0714T Valve $189.99 Time Remaining: 6d 3h 42m Buy It Now for only: $189.99 Buy It Now | Add to watch list |
 Hayward S244T Top Mount Swimming Pool Sand Filter $304.99 Time Remaining: 10d 2h 51m Buy It Now for only: $304.99 Buy It Now | Add to watch list |
 22 SAND FILTER TANK Swimming Pool 14 16 18 19 21 24 $159.00 Time Remaining: 2d 12h 4m Buy It Now for only: $189.00 Buy It Now | Bid now | Add to watch list |
 HAYWARD SWIMCLEAR 530SQFT CARTRIDGE C5025 C5030 FILTER $679.00 Time Remaining: 23d 10h 45m Buy It Now for only: $679.00 Buy It Now | Add to watch list |
 2 HP Swimming POOL FILTER PUMP 22 Sand Tank System Above Ground 1 15 SALE $288.00 (2 Bids) Time Remaining: 3d 12h 31m Bid now | Add to watch list |
 Intex Krystal Clear 1600 GPH Above Ground Swimming Pool Sand Filter Pump New $159.99 Time Remaining: 22d 12h Buy It Now for only: $159.99 Buy It Now | Add to watch list |
 Hayward SPX0710X32 6 Position Multiport Swimming Pool Valve For S200 Sand Filter $124.49 Time Remaining: 25d 3h 16m Buy It Now for only: $124.49 Buy It Now | Add to watch list |
 Hayward Pro Series Top Mount Pool Pond Aquarium Above In Ground Sand Filter $218.95 Time Remaining: 2d 12h 21m Bid now | Add to watch list |
 Intex 1600 GPH Saltwater System Sand Filter Pump Set $349.00 Time Remaining: 6d 3h 21m Buy It Now for only: $349.00 Buy It Now | Add to watch list |
 PENTAIR 140342 Triton C 36 Swimming Pool Spa Sand Filter Commercial TRC140C 3 $1,248.95 Time Remaining: 1d 13h Bid now | Add to watch list |
 New Intex 2650 gph Pool Pump+Salt Water Chlorine Generator System $429.00 Time Remaining: 23d 7h 16m Buy It Now for only: $429.00 Buy It Now | Add to watch list |
 Waterway Clearwater 22 Swimming Pool Sand Filter has Durable Roto Molded Tank $225.60 Time Remaining: 2d 7h 45m Buy It Now for only: $225.60 Buy It Now | Add to watch list |
 ABOVE GROUND POOL PUMP AND SAND FILTER FOR INTEX FSP 14 $99.00 Time Remaining: 22h 55m Bid now | Add to watch list |
 Fix A Leak By Marlig For Swimming Pool Spa Hot Tub Leaks 32 oz $27.00 Time Remaining: 2d 1h 13m Buy It Now for only: $27.00 Buy It Now | Add to watch list |
 NEW HAYWARD VL40T32 VL Above Ground Swimming Pool Sand Filter w Pump System $207.95 Time Remaining: 3d 12h 7m Buy It Now for only: $229.95 Buy It Now | Bid now | Add to watch list |
 Marlig Fix A Leak For Swimming Pool and Spa 32oz $27.29 Time Remaining: 20d 3h 11m Buy It Now for only: $27.29 Buy It Now | Add to watch list |
More Great Information on Backwash Valve:
The Mystery Behind D.E. Pool Filters by Beau Smith
Diatomaceous Earth pool filters or D.E. filters create water clear enough to read a dime on the bottom of Your Pool!
D.E. filters use a powder that is made from cremated krill and other sea urchins. Inside a the Filter Tank there are Filter Grids. These grids are covered with a canvas type of material. The covering on these grids will filter your pool water by itself but when they get dirty the grids remain dirty and cannot be backwashed clean. The D.E. powder is a temporary coating that protects the grids from the dirt that is filtered out of your pool water.
The process of backwashing is completed by using a valve whether rotary, push/pull, kick, or spin style. The Pool Pump is turned off while the valve changes position from filter to backwash. The pump is turned back on when the valve is in the backwash position. Water flow through the filter is reversed and disposed of through the sewer. This process takes place for 1 minute to 1.5 minutes. Then the pump is turned back off to switch the valve back to the filter position. The final step is to add D.E. powder back into the filter through the pool skimmer while the pump is running. ** Always follow the manufacture's recommended procedure.**
A D.E. filter requires 1 pound of D.E. powder per 10 square feet of filter area. (A 48 Square Foot filter requires 5 pounds of D.E. powder.) Many people do not add the D. E. powder back into filter after backwashing and results in needing unnecessary pool repairs. When this happens it is necessary to take the filter apart and wash the grids manually.
Also when the pool water does not clear up, the pool stays dirty, the robotlike Pool Cleaner ceases to work properly, or when adding D.E. powder after backwashing you visually see the powder coming back into the pool through the returns then your filter has damage inside. If you have a pool service company then get hold of them. They will diagnose your filter's internal damage and fix the internal problem if you so choose.
In order to act upon the damage inside your D.E. filter turn the power to your pool pump off. Second, open the Air Relief valve open and place the backwash valve into the backwash position. Thirdly, remove the clamp, clamps, or bolts holding the Two Filter halves together. Fourth, remove the grid assembly. Fifth, disassemble the grid assembly. Sixth, using a hose and nozzle wash the grids, Top Manifold, grid retainer, inside the filter tank, and filter tank O-ring. Seventh, inspect all the filter internals for holes, cracks, or even missing pieces. Eighth, replace all necessary parts. Local swimming pool stores or online stores are great resources for swimming Pool Parts. Ninth, reverse the entire process. in the end, add D.E. powder into the pool skimmer while the pump is running with the backwash valve in the filter position. ** Always follow the manufacture's recommended procedure.**
D.E. filters are great pool filters for pools that do not have high volume of debris that gets into the pool water. So if you have lots of vegetation then this filter is not for you. They do filter down to as fine as 2 microns! A micron is the thickness of a human hair! So as you can see pool water that is filtered by a D.E. filter is as clear as it can get.
Beau Smith
http://www.allclearpools.com
http://www.shop.allclearpools.com
Article Source: http://www.earticlesonline.com/Article/The-Mystery-Behind-D-E--Pool-Filters/1084527
I vacummed my pool to waste and i opened the backwash valve that funnels water out and underground. But the?
filter was still blowing dirt back into the pool. The valve that releases the water should be opened correct? was this just a small amount of the dirt coming back in do you think? i have the hayward multivalve sand filter.
i own a pool company.it sounds like a lateral line(s) in the sand filter has a crack or is broken because pressure was allowed to get to high.the higer the pressure gets the more of a risk of breakage.and after you backwask filter always turn off pump and move to rinse so that you can rinse the lines out or sand will get in pool.then watch Sight Glass or Discharge Hose for clean water.then turn pump off and move to filter. (warning) when you vaccum to waste put garden hose in pool to replace water.vaccum to waste and you lose water faster and have to add water to keep from sucking water below skimmer and burning up pump motor .fourteen years in pool business
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