Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 11 of 11

Thread: Winterizing and the SWG cell

  1. Back To Top    #1

    Join Date
    May 2007
    Location
    South Central NJ
    Posts
    3,192

    Winterizing and the SWG cell

    Split off of should i bring in the cell in the winter? with opening quote added for context. JasonLion

    Quote Originally Posted by JasonLion
    As long as you have properly winterized your pool (no water in the pipes) the SWG cell will be fine left out for the winter.
    Jason, I disagree with that. The coating and the blades expand and contract at different rates/amounts. Leaving the cell in the cold can cause the coating to flake off as a result of this temp difference. I tell my customers to bring them in the house where the temps are warmer. The garage doesn't cut it either.

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

  2. Back To Top    #2
    spishex's Avatar
    Join Date
    Oct 2008
    Location
    Hillsborough, NC
    Posts
    1,375

    Re: should i bring in the cell in the winter?

    That's an interesting argument. Did you hear that from a manufacturer? Around here we don't get much extreme cold and I've never heard anyone bring that up. I find that the only thing bringing the SWG inside does is increase the likelihood of losing the union o-rings.

    And what about people who run their pools through the winter? Do you recommend they replace their SWG with blank plumbing once the water temp gets too low for it to operate?

  3. Back To Top    #3

    Join Date
    Jul 2007
    Location
    Brisbane, Australia
    Posts
    874

    Re: should i bring in the cell in the winter?

    Quote Originally Posted by PoolGuyNJ
    Jason, I disagree with that. The coating and the blades expand and contract at different rates/amounts. Leaving the cell in the cold can cause the coating to flake off as a result of this temp difference. I tell my customers to bring them in the house where the temps are warmer. The garage doesn't cut it either.

    Scott
    it's not like you get -40C there

    a lot of your pool components would contract at different rates too, following this logic the pool should collapse after first winter

  4. Back To Top    #4

    Join Date
    Dec 2009
    Location
    Central Massachusetts
    Posts
    2,677

    Re: should i bring in the cell in the winter?

    I've never taken mine in and we get down to below zero occasionally.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

  5. Back To Top    #5

    Join Date
    May 2007
    Location
    South Central NJ
    Posts
    3,192

    Re: should i bring in the cell in the winter?

    Yes. The vendor that originally said to do so was a Pentair field rep/trainer. It is also one of the driving reasons they also make a pass through cell that fits in the space vacated when the real cell is removed.

    Others have told me to do this for the same reason.

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

  6. Back To Top    #6
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: should i bring in the cell in the winter?

    Pentair does say to remove the cell and store it, none of the other major manufacturers say to do that. In practice, removing the cell tends to cause just as many potential problems as leaving it in place, so I prefer to leave it in place. While it is possible in theory for the plate coating to flake off due to extreme temperature changes, I have never heard of a single incident of that actually happening.
    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

  7. Back To Top    #7

    Join Date
    Mar 2007
    Location
    Coastalish 'down easter'
    Posts
    4,160

    Re: Winterizing and the SWG cell

    Hi guys

    Nice little discussion you're having here.

    The company I work for takes everything in (pump, chlorinator, filter and ... heater )

    O-rings go in the pump basket so we have them in the spring.

    We store the equipment wherever the homeowner tells us to, shed, garage, basement, etc.. Some of these places are heated, most aren't (our biggest problem is mice )

    Now to the issue at hand, r.e. the blades degrading from temp changes-

    While I'm certainly not a metallurgist, I strongly doubt that the temp change is rapid enough to make the plate coatings become dissociated

    It's the pool owners' choice, or the pool dudes' , do as you will within your comfort level. However, as Jason has pointed out a couple few times, if there is a warranty issue, follow the manufacturers advice to protect it

    This was fun , I don't play in the 'Deep End' often
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

  8. Back To Top    #8

    Join Date
    Dec 2009
    Location
    Central Massachusetts
    Posts
    2,677

    Re: Winterizing and the SWG cell

    Whats the purpose for bringing in the filter and heater? Who has that kind of space for that stuff. My heat pump weighs a couple hundred pounds to boot. Seems like a lot of work and time for no reason.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

  9. Back To Top    #9

    Join Date
    Mar 2007
    Location
    Coastalish 'down easter'
    Posts
    4,160

    Re: Winterizing and the SWG cell

    The filters I'm talking about are cart or, more likely, DE and the heaters are Max-E-Therms.

    I hear you on the heat pump!! I have enough trouble carrying one down to install However, heat pumps and 'box heaters' (Larrs, etc.) don't have the issue that the Max-E-Therms have namely, mice get in and chew the wires, pee on the fenwall, and arc out the control board - all of these are costly to replace, so we bring the heater in so the mice will (hopefully) not nest in them.

    We bring in the filters to minimize the UV damage to the shell.

    While pool equipment is made to withstand the elements, they DO tend to last longer when kept out of them!

    It's always my pleasure to more fully explain/ clarify what I've said
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

  10. Back To Top    #10

    Join Date
    Dec 2009
    Location
    Central Massachusetts
    Posts
    2,677

    Re: Winterizing and the SWG cell

    Ok, gotcha on the carts and the Max-E therms.
    I'd hate to have to lug the big old sand filter i have inside. I wrap up the multiport with a tarp. I also put in some of that foam lubricant in the multiport via the hole left from removing the site glass and pressure guage before i wrap it with the tarp. I have the Pentair SWCG, but ive never taken it off. Builder said it was not really needed. He said reps have told him that its not so much for the plates, but to make sure the plastic doesnt potentially crack.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

  11. Back To Top    #11

    Join Date
    Apr 2007
    Location
    Ft Lauderdale, Florida
    Posts
    1,455

    Re: Winterizing and the SWG cell

    Scott (PoolguyNJ),

    I'm not sure there's any evidence to support the titanium cell blade vs ruthenium oxide coating expanding and contracting when temperatures change, to cause damage to the cell. That's a new one for me!

    AutoPilot does not require that the cell be brought indoor for winterizing. It's not a bad idea, but not a necessary step.
    Sean Assam - Sean@teamhorner.com
    National Accounts and Commercial Products Manager
    AquaCal Heat Pumps www.aquacal.com
    AutoPilot Salt Chlorine Generators www.autopilot.com

Posting Permissions

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