Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 7 of 7

Thread: How to stop water flow to change the pump?

  1. Back To Top    #1

    Join Date
    Jun 2012
    Location
    Louisville, KY
    Posts
    50

    How to stop water flow to change the pump?

    I've learned a ton reading through pool school and various threads over this past weekend.

    The pool I'm inheriting with the home we're purchasing needs a new pump and filter (...as in the current pump will not power on). I'm confident in my ability to plumb the pvc up as I've worked with pvc fittings many many times in the past. What I cannot figure out is how to plug up the pool in order to disconnect the current pump and install the new one. There is no valve on the current set-up (I'll be adding one during this process) and the pool is full of water.

    School me!
    38,000 gallon IG pool Plaster bottom & fiberglass walls
    Jandy FloPro 1.5hp, 2-speed pump
    Hayward S310T2 sand filter
    CompuPool CPSC36 SWG

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: How to stop water flow to change the pump?

    Isn't the pump above water level? If so, no water will come out.

    Mine is right at water level. I had to plug the hole in the skimmer (main drain is plumbed to the skimmer also) to keep the water from flowing out when I re-did my pad.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  3. Back To Top    #3

    Join Date
    Jun 2012
    Location
    Louisville, KY
    Posts
    50

    Re: How to stop water flow to change the pump?

    Quote Originally Posted by jblizzle
    Isn't the pump above water level? If so, no water will come out.

    Mine is right at water level. I had to plug the hole in the skimmer (main drain is plumbed to the skimmer also) to keep the water from flowing out when I re-did my pad.
    It seems so simple now that I read it. Good old gravity.

    Also, is the main drain being plumbed to the skimmer the standard set-up for most pools?
    38,000 gallon IG pool Plaster bottom & fiberglass walls
    Jandy FloPro 1.5hp, 2-speed pump
    Hayward S310T2 sand filter
    CompuPool CPSC36 SWG

  4. Back To Top    #4
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: How to stop water flow to change the pump?

    I think it used to be ... hard to say.

    I wish the main drain and skimmer were plumbed separately to the pad because:
    1. You have more control over where the water comes from
    2. You can drain the pool using just the floor
    3. You have more pipe area to suck through so the head loss is less and you get higher flow rates

    EDIT: My current pool was built in the mid 1970s. My last pool I had built in 2002 (when I knew nothing). Both had the single main drain plumbed to the single skimmer.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  5. Back To Top    #5
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: How to stop water flow to change the pump?

    Quote Originally Posted by thegame9377
    Also, is the main drain being plumbed to the skimmer the standard set-up for most pools?
    Unfortunately, that is done way too enough. It is far better when it is plumbed back to the equipment pad.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  6. Back To Top    #6

    Join Date
    Feb 2012
    Location
    Winston Salem NC
    Posts
    161

    Re: How to stop water flow to change the pump?

    My eqipment is below water level. How would you go about making a ball valve change if needed? Are their "caps" or anything you can put over the skimmer and/or main drain?

    I don't need to, but it is something that I thougth about last night....
    18x36 IG Vinyl. ~29k Gallons.
    Pentair CCP420 Cartridge Filter
    Pentair Inteli-flow VS Pump
    Hayward Goldline SWG
    Tigershark QC Robot

  7. Back To Top    #7
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: How to stop water flow to change the pump?

    I used a toilet bulb / seal to plug the skimmer hole. Could not find the correct fitting.

    Posted with Tapatalk ... sorry if I sound short ... hate typing on phone
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •