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PTC Thermistor heater 12 volt ?

Discussion in 'Electronic Basics' started by [email protected], Dec 10, 2004.

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  1. Guest

    I am trying to make a budget heater setup to heat the filter separator
    on my old truck and use a diesel + Veg oil mix ( I would like to get
    temp up to about 140-150 degrees F . I was thinking about using a
    PTC heater unit canabalized from one of those portable 12v car heaters
    ( a 200 watt model)
    ( see for example -
    ) and somehow attaching it to the filter housing and covering with the
    double face hvac duct wrap . Anyone here build something like this or
    have any tips on how the find and adapt the proper PTC ( brands, part#,
    and sources ) ? -thanks
  2. Reckon I would go for a simple wire heater element you could make yourself.
    Like a few turns of resistance wire around the filter with liquid backup
    from the engine cooling system.
    Put a thermistor in the output to control the 'element'.
  3. Mike

    Mike Guest

    I would think that heating fuel reduces the efficiency of fuel burn. Of
    course, diesel + veg probably be pretty thick, but what about a fuel
    additive? Could even mix some parts of kerosene -- same stuff pretty much.

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