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  1. Thread: R-717

    by nh3man!
    Replies
    49
    Views
    6,307

    There is a desicant dryer for ammonia now but is...

    There is a desicant dryer for ammonia now but is very expensive. Also you can rent a unit and distill your own sysem. Takes several days on a large system but does work.
  2. Thread: R-717

    by nh3man!
    Replies
    49
    Views
    6,307

    The great thing about NH3 is it is self...

    The great thing about NH3 is it is self alarming!!!!!! Yes sulphur sticks are still use with great success!!!! Even the smallest of leaks are noticed!!!! Ya just gotta love this stuff!!!!!! ...
  3. Thread: R-717

    by nh3man!
    Replies
    49
    Views
    6,307

    There are still many Frick, Vilter and York heavy...

    There are still many Frick, Vilter and York heavy duty compressors in use in my area. Mostly as backup but they still run and can take more liquid than there little brothers!!!!! :)
  4. Thread: ice build up

    by nh3man!
    Replies
    11
    Views
    1,083

    9- 40 ton evaps on feon is just dumb... R-717...

    9- 40 ton evaps on feon is just dumb... R-717 would have been a much better choice. But all the same and they work the same. If this is a three pipe application. Suction should be 3-4 inch. ...
  5. Replies
    16
    Views
    1,730

    As I stated before. If this has been used as a...

    As I stated before. If this has been used as a freezer for many years there is more than likely enough insulation and heat sourse. We really need to address the defrost situation and the...
  6. Replies
    16
    Views
    1,730

    (1) If this is what they intend to do they will...

    (1) If this is what they intend to do they will be spending more money on wasted energy than is needed. Depending on the conditions the system may not be designed to run at a higher suction.

    (2)...
  7. Thread: R-717

    by nh3man!
    Replies
    49
    Views
    6,307

    Can you tell!

    NH3 is my home! I love this stuff. If there are any ?'s on this I would be happy to entertain! Maybe if there is enough interst we could get our own topic!!!!! :)
  8. Replies
    16
    Views
    1,730

    There is nothing wrong with concrete! Though it...

    There is nothing wrong with concrete! Though it will need to have been insulated and proper underfloor heating so that the ground beneath with not freeze and heave the concrete. As to your...
  9. Thread: UA Star

    by nh3man!
    Replies
    4
    Views
    675

    ???

    What did ya want to take in???? As long as they know the information involved just bring your brain and GET ER DONE!!!
  10. Thread: What is it?

    by nh3man!
    Replies
    12
    Views
    926

    A4A with moduplate

    This is a regulating valve. Looks to be a A4A with optional moduplate. Very easy to rebuild and repair as long as corrosion is not a problem. Parts are easy to find also. Many application. ...
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