Adding Jobo water heater to Jobo processor

Discussion in 'Darkroom Developing and Printing' started by winddancing, Dec 15, 2004.

  1. winddancing

    winddancing Guest

    Their water heater is rather precisely configured and very expensive. Has
    anyone added one to an ATL?
    winddancing, Dec 15, 2004
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  2. I'm running* my ATL-1 with a non-Jobo 5 l heater connected via a normal
    thermostatic shower valve. I was lucky and got the heater on ebay for a
    song. Normally, they are quite expensive even if you don't buy them from
    Jobo because this application requires one of the somewhat rare
    pressurized heaters as opposed to the more current non-pressurized
    variety. You'll also need an additional fixture that controls the
    pressure rise when the water heats up.

    Don't try this with a non-pressurized heater. It will burst.

    My set-up works fine with C-41. Don't know if the precision would be
    good enough for E-6. But given that the water flows through yet another
    heat exchanger inside the ATL before reaching the film in the tank, this
    should be OK as well.


    *) Well, used to, until the electronics went up in smoke. No more spares
    from Jobo. Anyone with a spare set of PC boards for an ATL-1? :-(
    Ralf R. Radermacher, Dec 15, 2004
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