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    jbrch378's Avatar
    jbrch378 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 13, 2008, 02:17 PM
    Hot tub overheating
    I have jacuzzi hot tub model h240000 z145/345. My heater will heat the water to about 108 degrees and then " OH " will flash into the display. No matter what temp. I have it set to it won't shut off until it reaches about 108 degrees and displays " OH " What can it be? Thanks for all responses.
    tickle's Avatar
    tickle Posts: 23,796, Reputation: 2674
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    #2

    Apr 13, 2008, 03:30 PM
    OHOHOHOHOH just hope it doesn't get any warmer then OHOHOHOH l09 degrees. I suggest you call the people who installed the hot tub, or the manufacturer to get the problem solved before you get your but burned! :(
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Apr 13, 2008, 03:47 PM
    Most hot tubs are set to go no higher than 104, at you can set them higher. If yours is reaching a true 108 its likely the thermostat is not working. They usually are not repairable but can be replaced. I'd measure the temp with anothet thermometer before calling for servioce.
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