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Thread: Fuse Size?

  1. #1

    Default Fuse Size?

    I have a six station sprinkler system controller that is a watermaster model 57116. It has worked this season but I turned it off when heavy rains came and it will not restart - no display. I changed the batteries and tried to change the fuse. Does anyone know the fuse size? Home Depot said one amp but I can't read the tiny writing and changing the fuse to a fresh one amp did not work. Nothing else appears to me wrong and just want to see if I have the correct amp size before paying to have someone come look at it. Any other ideas about cause? Appreciate the assist.

  2. #2
    Plumber jimbo's Avatar
    Join Date
    Aug 2004
    San Diego


    Most of the time, a blown fuse will not cause the programmer to not work, only the valves wont turn on. Check the 24v input, you may have a bad wall cube.

  3. #3
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default fuse

    If the fuse did not blow as soon as you turned the system on, it was probably adequate to at least test the system.

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