Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 6 of 6

Thread: Do pumps shut off when they get to hot?

  1. Back To Top    #1

    Do pumps shut off when they get to hot?

    Hello,

    well the subject line kinda says it all. I didn't keep a good enough eye on the water level and it got too low, so the pump was sucking air. I never checked how hot it gets during normal operation, but it sure was hot! When I realized it I turned it off, filled pool and it seems to be running fine.
    However all that made me wonder if there is thermal overload shutoff on the pump so it can't burn out?

    thanks and stay cool everybody
    27000 gallon
    inground
    vinyl
    sand filter Hayward Pro Series S244T
    pump Hayward 1.5 HP SER. 2011CH
    gas heater Hayward H 350 FBN



  2. Back To Top    #2
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    Location
    SW Indiana
    Posts
    9,090

    Re: Do pumps shut off when they get to hot?

    The motor will shut off if it gets to hot, but the pump itself can get hot enough to deform without water flow.

    During normal operation the motor gets too hot hold your hand on.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  3. Back To Top    #3
    CUTiger78's Avatar
    Join Date
    May 2009
    Location
    NoVA
    Posts
    460

    Re: Do pumps shut off when they get to hot?

    I don't know if they all have thermal shutoffs. I have certainly run a pump motor so hot (due to lack of water flow) that it literally fried the motor (burned insulation off the wires) and melted the impeller.

    I'm not sure it's normal for a pump motor to be too hot to touch during normal operation. My 1 HP Hayward SuperPump never gets too hot to touch unless somethings wrong, like too little water flow.
    36K gallon 42X22 gunite/plaster kidney-shaped IG;
    1 hp Hayward Super Pump (new in 2012);
    Hayward S244T sand filter w/ Zeosand (both new in 2009);
    175K BTU LAARS Lite2 LG natural gas heater; Polaris 380;
    TF-100 test kit.

  4. Back To Top    #4

    Re: Do pumps shut off when they get to hot?

    Thanks for the fast reply.

    I hope it didn't do any damage.
    Guess I will have to check during normal operation to see how hot is normal for our pump.
    27000 gallon
    inground
    vinyl
    sand filter Hayward Pro Series S244T
    pump Hayward 1.5 HP SER. 2011CH
    gas heater Hayward H 350 FBN



  5. Back To Top    #5
    Mod Squad YippeeSkippy's Avatar
    Join Date
    Jan 2012
    Location
    'burbs of Augusta, Georgia
    Posts
    6,491

    Re: Do pumps shut off when they get to hot?

    What caused the water to get too low?
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

  6. Back To Top    #6

    Re: Do pumps shut off when they get to hot?

    It was a little lower than normal an I knew with this heat we are having, it would have to be refilled soon.
    What I did NOT know is how much water 5 teenage boys can splash out of a pool in 2hrs playing basketball in the pool and jumping of the diving board.

    I still remember the times when they were little and cute and would have asked lots of questions like: "why are there bubbles coming out of the returns all of a sudden?"

    Oh well, just gotta love them!
    27000 gallon
    inground
    vinyl
    sand filter Hayward Pro Series S244T
    pump Hayward 1.5 HP SER. 2011CH
    gas heater Hayward H 350 FBN



Posting Permissions

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