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ADDING ZONE VALVES TO BYPASS CONVECTORS?

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by ROBERT F, Sep 2, 2009.

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  1. ROBERT F

    ROBERT F Minister of Fire

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    CENTRAL COLORADO
    HELLO ONE AND ALL! NEW TO THIS SITE AS A POSTER, BEEN LURKING IN THE DEPTHS OF DARKNESS FOR A WHILE. MY QUESTION CONCERNS THE FEASABILITY OF ADDING ZONE VALVES TO BYPASS CONVECTORS, AS I HAVE 4 SEPERATE ROOMS THAT THE FLOW TO IS CONTROLLED BY A THERM IN THE HALLWAY, THAT IS HEATED BY A WOOD STOVE. HAD A HVAC COMPANY OUT AND THEY SAID ONLY WAY TO DO IT WAS TO ADD ALL NEW FEED LINES, AND POSSIBLY BE ABLE TO USE MY OLD LINES AS A RETURN. IS IT POSSIBLE TO USE MORE THERMS IN EACH ROOM TO CONTROL CIRCULATOR PUMP/ ZONE VALVES? I HAVE A 5,300+ SQ/FT HOUSE RUNNING ONLY 4 ZONES! ONE FOR THE ENTIRE UNFINISHED, UNINSULATED, 2700+, VERY OPEN FLOOR PLAN, ONE FOR THE MASTER BEDROOM, ONE FOR THE KITCHEN/DINING/GREAT ROOM, AND THE ONE THAT CONTROLS FLOW TO 4 ROOMS, OV VARYING SIZES AND CONVECTOR SIZES. A VERY POORLY DESIGNED SYSTEM TO SAY THE LEAST! IT IS ALL COPPER PIPING, AND THE BOILER IS A EARLY '80'S BURNHAM, PROPANE FIRED, UNKNOWN BTU'S AND UNKNOWN TANK SIZE. THANKS FOR ANY INSITE THAT CAN BE OFFERED.

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  2. sgschwend

    sgschwend New Member

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    It is hard for me to read all capitals letters, folks assume you are yelling at them.

    Did you say you have four zones? Does that mean that there is a source and four returns?

    If your system has a loop for each zone then you should not need to add any more lines (that means a hot water source line (could be singular) and a return line for each zone)
  3. Gooserider

    Gooserider Mod Emeritus

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    Welcome to the forums, but I would repeat the earlier request to use MiXeD CaSe when posting, just like in any other kind of writing. Using all caps is considered rude at the very least....

    I would also suggest that it is very hard for us to understand your system and make suggestions with as little information as you've given us - if you can make even a crude sketch to show your current plumbing layout it would help a great deal.

    Lastly, one of the points that we make here on a very regular basis, and sounds like it applies in your case, is that money put into insulation improvements often has a much better payback than money put into heating systems.

    Gooserider
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