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Thread: Testing new pump and filter

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    Testing new pump and filter

    I've recently took advantage of the crazy price at Amazon and bought a new 1.5HP Hayward pump & 21" sandfilter. Next spring I will need to create a proper equipment pad for this much larger system.

    I would like to at least try the filter and pump this weekend before I close the pool to make sure everything works and there are no defects. I do not want to add the 200lbs of sand as I will need to move this filter to pour a slab in the spring, then move it back onto the pad for opening.
    Are there any concerns with running the sandfilter empty? I know that centrifugal pumps work easier if there is back pressure on the pressure side, I planned to close the return valves a bit to simulate the backpressure experienced with a sand-filled filter.

    I only plan to run for 5-10 minutes this way.

    Anything I should be concerned with? Will this damage anything?

    Thanks.
    Last edited by domct203; 10-12-2016 at 11:13 AM. Reason: Grammer
    Dom - TFP Guide
    Intex 18' X 48" Ultra Frame AGP 6700 gallons | Hayward Pro Series 21" Sandfilter | Hayward 1.5HP Power Flo Matrix pump | Hayward Thru-wall Skimmer | Wanda the Whale | 72 sq ft of Sungrabber Solar Panels | Taylor K2006 Test Kit, Sample Sizer & Speed Stir | Click Here To Become a TFP Supporter!

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    Re: Testing new pump and filter

    Dom - TFP Guide
    Intex 18' X 48" Ultra Frame AGP 6700 gallons | Hayward Pro Series 21" Sandfilter | Hayward 1.5HP Power Flo Matrix pump | Hayward Thru-wall Skimmer | Wanda the Whale | 72 sq ft of Sungrabber Solar Panels | Taylor K2006 Test Kit, Sample Sizer & Speed Stir | Click Here To Become a TFP Supporter!

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    Mod Squad pooldv's Avatar
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    Re: Testing new pump and filter

    You are on the unanswered threads list!

    I don't know anything about running a sand filter with no media in it. The only thing I can think of is that it might blow the laterals off and damage them. So, maybe enough sand in the bottom to keep it all together?
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    Re: Testing new pump and filter

    Quote Originally Posted by pooldv View Post
    You are on the unanswered threads list!

    I don't know anything about running a sand filter with no media in it. The only thing I can think of is that it might blow the laterals off and damage them. So, maybe enough sand in the bottom to keep it all together?
    I was worried about the laterals as well. I am thinking of leaving the entire stand pipe/laterals assembly out. I'll manually fill the filter with water too.
    Dom - TFP Guide
    Intex 18' X 48" Ultra Frame AGP 6700 gallons | Hayward Pro Series 21" Sandfilter | Hayward 1.5HP Power Flo Matrix pump | Hayward Thru-wall Skimmer | Wanda the Whale | 72 sq ft of Sungrabber Solar Panels | Taylor K2006 Test Kit, Sample Sizer & Speed Stir | Click Here To Become a TFP Supporter!

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    Mod Squad pooldv's Avatar
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    Re: Testing new pump and filter

    That sounds good. Just to test the valve and make sure the housing doesn't leak.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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