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  1. PT plugs with PVC instead of brass -where do I find them?

    PT plugs with PVC instead of brass -where do I find them? Thanks in advance!
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    1,014

    I received permission from the natural gas...

    I received permission from the natural gas company to share the trench.
  3. Putting a heat pump coil upstream of the natural gas fired furnace - can it be done?

    Putting a heat pump coil upstream of the natural gas fired furnace - can it be done?
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    2,118

    I do not energize my holding tank during the...

    I do not energize my holding tank during the spring/fall. The regular electric water heater I keep at 120*F.
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    Roch Manley Architects Geo-Thermal

    WEDNESDAY, MARCH 10, 2010
    Energy and Sustainability
    Manley Architects and Geo-Thermal Heating and Cooling
    In our continuing effort to advance sustainability issues, Manley Architects recently...
  6. Thread: sleepless in texas

    by hje
    Replies
    28
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    1,388

    You might get a bed that chills! I have seen it...

    You might get a bed that chills! I have seen it advertised.
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    5,890

    pump-and-dump geothermal system

    I have a client in Woodinville, WA. He would like to install a pump-and-dump geothermal system, but he has an artesian well. What do I test for? PH and total hardness? Thanks!
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    6,301

    It works with my P/T ports!

    It works with my P/T ports!
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    12
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    6,301

    Cooper, Model DPP400W

    Cooper, Model DPP400W
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    2
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    1,303

    WaterFurnace “Envision” model # 072

    We installed a WaterFurnace “Envision” model # 072, 6-ton heat pump, dual capacity, variable speed fan, 15 kW strip heat, with hot water maker. Closed loop. The house is zoned, the upstairs and the...
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    Thanks!

    Thanks!
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    1,519

    Honeywell Round Motorized Damper -

    Honeywell Round Motorized Damper - the instructions say: "Do not locate the motor on the bottom of the damper."

    I know the instructions say it's a no-no, but have you seen any problems?
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    2
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    2,188

    methanol hydrometer

    Where can I buy a methanol hydrometer? Thanks!
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    0
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    296

    Honeywell "Networked zoning"

    I install many geothermal systems using the Honeywell "Networked zoning". Before, I had thought that the IAQ 9000 stat would operate the network board in the way as the stat did: in the installation...
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    722

    Honeywell "Networked zoning"

    I install many geothermal systems using the Honeywell "Networked zoning". Before, I had thought that the IAQ 9000 stat would operate the network board in the way as the stat did: in the installation...
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    1
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    548

    Honeywell "Networked zoning"

    I install many geothermal systems using the Honeywell "Networked zoning". Before, I had thought that the IAQ 9000 stat would operate the network board in the way as the stat did: in the installation...
  17. Thanks!

    Thanks!
  18. Theoretical, please!

    Theoretical, please!
  19. What is the temperature drop for a duct in the attic?

    8" flexible R-8 duct, 20' long, 150 cfm, 100*F entering air, 20*F attic, what is my exiting air temperature? Thanks!
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