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  1. http://cms.esi.info/Media/productImages/Tour_Ander...

    http://cms.esi.info/Media/productImages/Tour_Andersson_Ltd_STAD_balancing_valve_1.jpg
    Something like this?
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    http://di3-1.shoppingshadow.com/pi/i.ebayimg.com/0...

    http://di3-1.shoppingshadow.com/pi/i.ebayimg.com/00/$(KGrHqN,!qkFDkQhHZgbBQ-UefyseQ~~_32-450x450-0-0.JPG

    http://ecx.images-amazon.com/images/I/31fbN5jIpfL.jpg
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    Ultrasonic Water Flow Meters

    Does anybody have any recommendations on what a good flow meter is on the market today? What are the price ranges for these?
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    I came across a company called Turbotec that...

    I came across a company called Turbotec that actually offers titanium/stainless steel coax coils, but haven't found much in terms of capacties, flow rates, dimensions and whatnot. Does anybody have...
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    We usually set the head pressure around 225-235...

    We usually set the head pressure around 225-235 on these systems, they're R-22. If there were ever a loss of water pressure or a restriction in the system causing the head pressure to rise, I'd...
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    What about brazed plate HXs? The plates are...

    What about brazed plate HXs? The plates are stainless steel but the brazing material is either copper or nickel. The water would still come in contact with the copper so I don't think I'd be any...
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    Cupronickel Condensers

    Does anybody here have experience with cupronickel condensers? How do they hold up in comparison to standard copper for water with moderate to high chlorine content? I checked with my supplier and...
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    As long as it was quiet enough, I have no...

    As long as it was quiet enough, I have no objections. Very sensitive to noise when sleeping. Could always insulate the compressor with acoustic lining?
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    Yes, a basement apartment.

    Yes, a basement apartment.
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    291

    This is in a apartment so mini split is not an...

    This is in a apartment so mini split is not an option, not allowed to have penetrations through outside wall.
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    291

    Small capacity window air conditioner

    Any recommendations on a small capacity (<5,000 btu) window air-conditioner. This is for a bedroom so low sound levels are essential. The room is just 100 sq.ft and in a basement.
  12. If you are referring to mini splits, Mitsubishi...

    If you are referring to mini splits, Mitsubishi has just released a system designed for server rooms with a higher sensible heat ratio (80-90%) and rated for continuous operation, even at -40°C. It's...
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    I would not be concerned about a minimum suction...

    I would not be concerned about a minimum suction gas temperature as long as there is positive superheat. Oil dilution, flooding and slugging would be more of an issue at that point.
    I've seen low...
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    65°F is the maximum recommended suction gas...

    65°F is the maximum recommended suction gas temperature for a hermetic compressor in a air-conditioning or high-temp application.
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    Mastercraft from Canadian Tire has an open end...

    Mastercraft from Canadian Tire has an open end ratcheting wrench set.
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    ASHRAE Journal Back Issues

    Does anybody know where to purchase back issues of Ashrae Journal for a decent price? I'm looking for issues from the past couple of years mainly, but would consider older ones.
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    Every 2 degress of subcooling will increase...

    Every 2 degress of subcooling will increase evaporator capacity by 1%.
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    This is the AOP forum... only vetted members may...

    This is the AOP forum... only vetted members may post in the AOP area due to the DIY rules.

    Post removed.
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    I have the exact same unit, has been running...

    I have the exact same unit, has been running steady for about 2 years now.

    There is a condensate pump in the drain pan on the unit. As the condensate level rises, the float activates and pumps...
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    I thought prestolite was just another name for...

    I thought prestolite was just another name for air/acetylene. I use the TurboTorch setup with quick connects and the standard B Tank. The tips are use are the a-11,1-14 etc.. Will they fit with my...
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    The Cap'n hook is for Oxy as far as I can tell, I...

    The Cap'n hook is for Oxy as far as I can tell, I do not have an oxy rig, just straight acetylene. Do you have a link?
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    There are charts for the Suction Driers to...

    There are charts for the Suction Driers to determine when the cores should be changed, these go by pressure drop and are different for permanent and temporary installations. (Form 40-109 from...
  23. An enthalpy calculation will tell you how well...

    An enthalpy calculation will tell you how well the coil is performing.

    QT = 4.5 x cfm x Δh
    You will need a wet bulb temperature along with the listed dry bulb temps. to find the ΔEnthalpy. ...
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    Multiflame Torch Tips

    Does anybody know of any multiflame torch tips that are a available for Prestolite (Air/Acetylene) ? I have a seen all kinds of different shaped ones, "U", "V" wishbone and hook types, but there are...
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    Fluke 975 would cover the co, co2, wb, db and...

    Fluke 975 would cover the co, co2, wb, db and humidity...
    Fluke 983 performs particulate counts.

    Neither one of them is what I would call affordable though. As far as reliability and accuracy, I...
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