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Thread: How to winterize sprinkler pump

  1. #1

    Default How to winterize sprinkler pump

    I use a 1hp jet pump in my basement to supply water to a sprinkler system. I live in the northeast, so winter's coming. The sprinkler guy is coming to blow out the lines.

    What do I do with the Wayne jet pump over the winter? Right now there's still water in it. I will disconnect the supply line from the lake and blow it out. Do I need to get all the water out of the pump even though it wont' freeze?

    Also, will it hurt the pump if I don't use the sprinklers for a week or more in summer? The supply line retains prime, so there is always water sitting in the pump.


  2. #2
    Master Plumber Dunbar Plumbing's Avatar
    Join Date
    Apr 2005
    Northern Kentucky/Greater Cincinnati Area


    This is the best response I've ever given to this question:

    Pay a contractor who deals with these systems specific.

    Do it by contract whereby they winterize it, bring the system back up the following season. That way if anything done is improper and breaks something, it's going to be covered by the ones who did the work.

    You'd be surprised how cheap those companies will do this for.
    Read what the end of this sentence means.

  3. #3
    Master Plumber master plumber mark's Avatar
    Join Date
    Feb 2005
    indianapolis indiana - land of the free, home of the brave....
    Blog Entries

    Talking Rugged is 100% right....

    have it done by a professional

    they will come out with a huge air comperessor
    hitched to the back of their truck...

    When they blow air through the system all your sprinkler
    heads will jump out of the ground at one time and look like
    old faithful going off....

    it usually only costs about $100 bucks...around here..

    and they warranty the work...

    you wont have to make any reapirs this spring

  4. #4
    DIY Member theelviscerator's Avatar
    Join Date
    Oct 2007
    Elkhart, IN


    I made a rig out of a scott air pack bottle with a union to blow down a complex fountain system.

    Make sure you have one or two valves open when you start cracking open the bottle.

    (not recommended for the faint of heart).

    Dry as a bone though after completion...
    The world is a grindstone, whether it wears you down, or polishes you up, is up to you.

  5. #5


    Let me clarify, all the lines underground will be professionally blown out. I'm only asking about the pump. I guess it's pretty obvious I need to get all the water out of it. Next question is, if that's true, does the pump just sit there dry all winter?

    And what about going 2-3 weeks between uses (if it's rainy) when the water just sits in the pump? Any issue with that? Does it need to run every few days, or it can sit with water in it?



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