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Thread: Where is the thermostat?

  1. #1
    punthouse
    What regulates the temp? Olds 455 with Jacuzzi pump. Pulled thermostat housing off intake to put in antifreeze, no thermostat. Supposed to be one? Thanks again.

  2. #2
    HammerDown
    No...there is not a thermostat in that housing,and you CANNOT use one on that type of setup (no water pressure bypass valve = blown head gaskets).Water temp can only be controlled by adjusting the main valve at the pump. I am as well as many other jetters are useing a REX DUAL TOWER THERMO. setup with a pressure relief valve in the housing.Get a REX catalog,there's a diagram showing how it functions.

  3. #3
    rstover1
    Most jets don't have thermostats they control water pressure from the jet via a valve lessen the water for more temp increace the water pressure for lower temp....Hope this helps http://www.freakygamers.com/smilies/s/cwm/cwm/spin2.gif http://free.***boat.net/ubb/biggrin.gif

  4. #4
    riodog
    When you're done filling that puppy up with antifreeze, oh hell, I can't do this.

  5. #5
    Kwicherbichen
    Riodog, you beat me to that one. Everyone starts somewhere.........

  6. #6
    1000mhz
    Maybe he's packing her up for the winter????
    lol

  7. #7
    DOHARA
    HEY PUNTHOUSE I THINK YOUR THERMOSTAT IS IN THE PUMP, MAKE SURE YOU FILL THAT RADIATOR UP WITH 50/50 MIX OR IT WONT RUN GOOD!!!!

  8. #8
    punthouse
    Originally posted by riodog:
    When you're done filling that puppy up with antifreeze, oh hell, I can't do this.
    Yes, getting ready for winter!

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