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  1. #1
    Join Date
    Jan 2002
    Location
    Marlow
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    68
    Posts
    1,792

    dax heater on/off valve

    Hi Guys, Has anyone made a electro / mechanical on/off for this valve?
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  2. #2
    Join Date
    Feb 2011
    Location
    Northampton
    Age
    41
    Posts
    3,899
    Not necessarily Dax specific, but I know a few people have used Ford Ka heater valves for this - available on eBay cheaply.
    My DeDion build diary..
    Hon Sec of the Digidash branch of the Unpopular Kit Car Design club

  3. #3
    Join Date
    Feb 2013
    Location
    Surrey
    Posts
    258
    Yes - I fitted the Ford KA solenoid valve. It is a good valve - it is powered closed and allows the coolant to loop back to the engine. It is unpowered open and supplies the heater matrix. Beware of cheaper pattern valves though - they are crap. I know - been there. Spend £40 - £50 on a GENUINE Ford valve instead. You'll end up buying twice if you don't.
    DAX Cobra. May contain nuts. Always read the label.

  4. #4
    Join Date
    Apr 2004
    Location
    East Leake, Nottinghamshire, England.
    Age
    55
    Posts
    9,501
    Be careful of just switching the flow of water to the heater off, as this can cause cooling issues if you haven't given the coolant an alternate route. Might not effect all cars but certainly did on my car and others.
    Martin

    351W 416.7 HP and 466.8 ft-lbs

    Running Mega Squirt and Edis 8


  5. #5
    Join Date
    Jan 2002
    Location
    Marlow
    Age
    68
    Posts
    1,792
    Hi, Just purchased a Ford Ka solenoid valve, with a five year warranty. I have noticed that with this valve when the heater water is off, water is bypassed back to the header tank. Where currently when off it just stops the flow from one head. Been like for the last 18 years, so will be interesting to see if there's any change!
    Cheers Clive

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