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  1. #1
    Jeffrey A. Steinberg's Avatar
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    Hass Manufacturing D250 Water Mixer--great product

    (I have no connection with this company...Just a consumer).

    I was having a hard time controlling process temperature when other people opened and closed faucets in the house. My old hand mixer just wasn't cutting it and always had to be reset.

    I invested (and I mean invested) in one of these computer-controlled mixing valves and it stay spot on every time. Best investment in my darkroom since I build my darkroom.
    --Jeffrey

    ______________________________________________
    Jeffrey Steinberg, K2MIT
    Scarsdale, NY

    www.jsteinbergphoto.com (my avocation)
    www.reversis.com (my vocation)

  2. #2

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    I agree. I've had one for about 3 years and it's a marvelous piece of equipment.

    Richard Wasserman

  3. #3
    Jeffrey A. Steinberg's Avatar
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    Any problems over the 3 years. Do you unplug yours when not in use?
    --Jeffrey

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    Jeffrey Steinberg, K2MIT
    Scarsdale, NY

    www.jsteinbergphoto.com (my avocation)
    www.reversis.com (my vocation)

  4. #4

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    Another happy customer here. If you buy one, be sure to consider the "low-flow" option which allows you to maintain temperature control down to 1/4 gpm.

    Quote Originally Posted by Jeffrey A. Steinberg View Post
    Any problems over the 3 years. Do you unplug yours when not in use?
    Although my darkroom is in boxes at this point, when I did have it set up, I had all the outlets on a master switch. Sounds fancy, but it's not. Since there was only one circuit serving that room, I hardwired everything off the outlet which was controlled by the wall switch. Turning off the wall switch when I left meant everything was off - no chance of leaving any piece of equipment on.

  5. #5

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    Another shout out to Hass eng. for their brilliant design. I got mine hooked up to a ra4 wash tank and it delivers 35c at a quarter gallon per minute all day long. And I've never unplugged it.

  6. #6
    resummerfield's Avatar
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    Quote Originally Posted by wfwhitaker View Post
    Another happy customer here. If you buy one, be sure to consider the "low-flow" option which allows you to maintain temperature control down to 1/4 gpm.....
    Most of my use is at low flow rates. When I bought my controller, I didn't think about this and ordered the regular flow model. It works fine, but if/when I buy another one, I'll get the low flow model.

    Quote Originally Posted by wfwhitaker View Post
    ..... I had all the outlets on a master switch. Sounds fancy, but it's not. Since there was only one circuit serving that room, I hardwired everything off the outlet which was controlled by the wall switch. Turning off the wall switch when I left meant everything was off - no chance of leaving any piece of equipment on.
    I have the same setup, and always turn my controller off after each session.

    The Hass D250 is an excellent product. I can't imagine ever going back to the old style contoller.
    —Eric

  7. #7

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    The low flow chip is a snap to install and only costs like $25

  8. #8
    Jeffrey A. Steinberg's Avatar
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    I believe they all ship now with the low flow kit. There is a more expensive one that is for higher flows.
    --Jeffrey

    ______________________________________________
    Jeffrey Steinberg, K2MIT
    Scarsdale, NY

    www.jsteinbergphoto.com (my avocation)
    www.reversis.com (my vocation)

  9. #9

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    Where can one get one of these temperature controllers. The old mechanical temperature mixer on my very old Kreonite water jacket sink I use for processing E-6 has failed, and I need to replace it.

  10. #10
    Alex Bishop-Thorpe's Avatar
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    Here's the link, for anyone else who's curious.
    I've been eyeing one for a while, they look pretty solid.
    The Analogue Laboratory, or 'so you built a darkroom in an old factory in the industrial zone'.
    Blog thing!.

    Worry less. Photograph more.

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