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  1. Replies
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    actually the duct is in the unconditioned space....

    actually the duct is in the unconditioned space. the wall to seperate the area is not in place. but we insulated everything conditioned or unconditioned.
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    heres a system we just fired up today. this...

    heres a system we just fired up today. this system consits of a wgo-5 weil mclain boiler with two air handlers in attic one of which is a 2 zone system. these units are trane variable speed units...
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    8 zones on a double 007?? i wqould love to see...

    8 zones on a double 007??
    i wqould love to see what the flow rates to each zone amount to. what happens when all 8 zones are calling in the dead of winter. low temperature water heading for the...
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    http://ww2.imagewiz.net/images/hvac/29865_temp_008...

    http://ww2.imagewiz.net/images/hvac/29865_temp_008.jpg

    http://ww2.imagewiz.net/images/hvac/29866_temp_017.jpg

    http://ww2.imagewiz.net/images/hvac/29867_temp_029.jpg
    ...
  5. Replies
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    /

    why dual expansion tanks?? is there a reason you are feeding water in the remote section and not at the bottom of the air eliminator at the boiler
  6. Replies
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    ??

    just curious, where is the expansion tank water water feeder??
  7. Replies
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    6,246

    .

    grundfoss circulators were specified in the contract and the oil lines are a product called enviro tube. they come in 1/2 and 3/8 , its a plastic coating over a copper tubing. great for...
  8. Replies
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    thanks

    first of all thanks for the comments, and sorry about the picture links.

    we are working out of southern ct, and this job was located in a custom house in randolph, vt.
    this project consisted of...
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    http://ww2.imagewiz.net/images/hvac/16750_IM000793...

    http://ww2.imagewiz.net/images/hvac/16750_IM000793.JPG

    http://ww2.imagewiz.net/images/hvac/16751_IM000804.JPG

    http://ww2.imagewiz.net/images/hvac/16752_IM000806.JPG
    ...
  10. Replies
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    the plastic pipe is a product called hepex made...

    the plastic pipe is a product called hepex made by wirsbo. yes it is a time saver...a little pricy but from the boiler to the air handlers one shot no joints in the walls. it is designed for this...
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    http://www.imagewiz.net/images/hvac/209448_wakeman...

    http://www.imagewiz.net/images/hvac/209448_wakeman_005.jpg

    http://www.imagewiz.net/images/hvac/209449_wakeman_006.jpg

    http://www.imagewiz.net/images/hvac/209450_wakeman_007.jpg
    ...
  12. Replies
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    5,189

    Re: boiler pumping away?

    there are 2 1/2" ips ball valves on bothe sides of the pressure reducing valve. i use a brass nipple between the backflow preventer and the first ball valve. as of di electric joints...hmm...never...
  13. Replies
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    http://www.imagewiz.net/images/hvac/200578_old_mil...

    http://www.imagewiz.net/images/hvac/200578_old_mill_rd_013.jpg
  14. Replies
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    5,189

    http://www.earthlee.com/

    http://www.earthlee.com/
  15. Replies
    28
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    5,189

    the boiler maintains temperature to provide the...

    the boiler maintains temperature to provide the indirect. the triangle tube phase 3 has worked well for me. high end on the numbers. earthlee does have a web site i think it is earthleeltd.com
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    thanks

    thanks for the input guys!!
    the flow checks work with a weighted seal, when the circulator comes on the water movement opens the valve. this project was in greenwich,ct. 4 first co. hydro air...
  17. Replies
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    http://www.imagewiz.net/images/hvac/192262_Picture...

    http://www.imagewiz.net/images/hvac/192262_Picture_014.jpg


    http://www.imagewiz.net/images/hvac/192263_kennilworth_boiler.jpg
  18. Thread: boilers

    by tri-cityhvac
    Replies
    10
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    2,750

    bleeding

    there is a 2" valve on the return, by closing this valve and isolating each individual zone. bleeding could be done by one valve on the end of the return and not swicthing hoses.
  19. Thread: boilers

    by tri-cityhvac
    Replies
    10
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    2,750

    http://www.imagewiz.net/images/hvac/190749_close_r...

    http://www.imagewiz.net/images/hvac/190749_close_rd_003.jpg
  20. Replies
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    main boilers

    http://www.imagewiz.net/images/hvac/186680_IM000513.jpg
  21. Replies
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    main boilers

    these boilers feed 9 hydro air handlers, 2 garage hydronic heaters, a indoor heated pool, 100 gallon domestic indirect hot water heater and a dehumidification system for the pool...
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    http://www.imagewiz.net/images/hvac/186569_circ_ra...

    http://www.imagewiz.net/images/hvac/186569_circ_rack_side.jpg
  23. Replies
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    more questions

    is this a low temp application?
    how are you heating the house? air handler/baseboard/cast radiators?
    there is a lot of water movement if all zones are calling?
    is a 1" feed to supply adequate??...
  24. Replies
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    spiro-vent

    that is a 2" spiro-vent air eliminator made by spirotherm. it is a micro bubble absorber.all it is inside is a tight mesh of wire and the air gets caught in and sent to the top like any hy-vent.
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    http://www.imagewiz.net/images/hvac/184406_calhoun...

    http://www.imagewiz.net/images/hvac/184406_calhoun_dr.jpg

    [Edited by tri-cityhvac on 10-05-2003 at 10:07 AM]
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