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  1. Thread: Friction Loss

    by KTM-MIKE
    Replies
    7
    Views
    1,062

    Thanks

    Thanks
  2. Thread: Friction Loss

    by KTM-MIKE
    Replies
    7
    Views
    1,062

    Thanks for the correction, I overlooked the extra...

    Thanks for the correction, I overlooked the extra digit. I suppose that using.05 dose make more sense in that it would yield a more conservative CFM flow, and perhaps build in some redundancy to help...
  3. Thread: Friction Loss

    by KTM-MIKE
    Replies
    7
    Views
    1,062

    I know that manual D provides the formula for...

    I know that manual D provides the formula for sizing and such, however I don't think it addresses the formula to obtain or verify the correct friction loss.

    Aside from a rule of thumb method, how...
  4. Thread: Friction Loss

    by KTM-MIKE
    Replies
    7
    Views
    1,062

    Friction Loss

    For new installs, do you rely on a standard figure or are you using a formula to arrive to a given factor?
  5. Thanks for the reply, but this is in a...

    Thanks for the reply, but this is in a residential aplication, and I dont want to flood the room, but rather feed the boiler directly.
  6. Negative chimney draft after radon fan installation

    What do you think the best solution for this is? I dont want to arbitrarily instal a make up air kit that dumps outside air into the boiler room. I would like to find a set up that connects directly...
  7. Replies
    7
    Views
    554

    Do you know what an air handler is? We use...

    Do you know what an air handler is? We use hydronic heating coils in the north.
  8. Replies
    7
    Views
    554

    air separators

    Do you install an air separator when you install an air handler located in the highest level of the home? I have always been understood that doing so could cause problems by it's slowing the velocity...
  9. This is a new installation. Sometimes the fan can...

    This is a new installation. Sometimes the fan can be heard from the lower level either through vibration or simply just fan noise. This unit is going immediately over a bed, on the upper level.
    ...
  10. silencing an air handler from the next floor

    Has anyone used a pice of the blue urethane foam insulation below a sheet of plywood, attached with acoustical sealant to deaden the noise from an air handler the lower level?
  11. Thread: R410--vs--r22

    by KTM-MIKE
    Replies
    31
    Views
    4,928

    Wow thank you all for your comments and...

    Wow thank you all for your comments and information!
  12. Thread: R410--vs--r22

    by KTM-MIKE
    Replies
    31
    Views
    4,928

    Sorry 4 the confusion. I have 2 existing ac zones...

    Sorry 4 the confusion. I have 2 existing ac zones utilizing 2 separate condensers.

    Thanks to all for the answers.
  13. Thread: R410--vs--r22

    by KTM-MIKE
    Replies
    31
    Views
    4,928

    Are you saying the units that use r22 can accept...

    Are you saying the units that use r22 can accept r410?
  14. Thread: R410--vs--r22

    by KTM-MIKE
    Replies
    31
    Views
    4,928

    R410--vs--r22

    CAN SOMEONE PLEASE CLARIFY THE DIFFERENCES, AND SPECIFY IF THE 410 IS A BETTER CHOICE? Most important to me is if the r22 units can run 410?

    I have 2 zones now, adding a 3rd, and all the newer...
  15. Replies
    2
    Views
    531

    Mixing valve location

    Should a mixing valve be situated before or after a circular, and why?
  16. Replies
    11
    Views
    5,826

    Thank you, I'll give it a shot, on the next warm...

    Thank you, I'll give it a shot, on the next warm day.
  17. Replies
    11
    Views
    5,826

    Model- 44DVXXL Gas-LP I am not aware of any...

    Model- 44DVXXL
    Gas-LP

    I am not aware of any such procedure, did not see anything about it in the manual either.
  18. Replies
    11
    Views
    5,826

    Fireplace Extraordinaire problem

    Since new, and now 4 years old, the unit smells like it's burning off paint when in use. The retailer says it's just because the unit gets as hot as it dose. I don't buy it, but I can't figure out...
  19. Replies
    7
    Views
    629

    Thank you, $50.00 us = like 1 euro. So if send...

    Thank you, $50.00 us = like 1 euro. So if send you a Euro will that do?
  20. Replies
    7
    Views
    629

    Forum question

    Can anyone explain why some of the topics are locked "private? Are they pay to subscribe?
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