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Need advice on a controller

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by James Ascherl, Feb 17, 2013.

  1. James Ascherl

    James Ascherl Member

    Joined:
    Jun 6, 2010
    Messages:
    77
    Loc:
    Hinckley, Ohio
    My system will have 4 house zones (Zone valves) a hot tub zone and a future zone for the garage. I have a circulator for the zones and a circulator for the EKO 40. I have one aquastat and an additional zone valve between the storage tanks and boiler (that i'm not sure I even need). My electric boiler will run independent of the WB so that is not in the equation. A friend suggested I use the Taco SR506 switching relay to run the system. Is this a good suggestion? Any tips? Also, I installed the two way zone valve between the storage and boiler so it would close when the house circulator and EKO circulator are running to prevent the water from going into the storage. What are the thoughts on it? Is it necessary?

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  2. OldStoneHouse

    OldStoneHouse Member

    Joined:
    Jan 8, 2010
    Messages:
    85
    Loc:
    Eastern Ontario
    I almost put in a SR506 but decided to go with the Honeywell AQ series instead. It is has a lot of features that the Taco doesn't and is about the same price I think. You may have to get special thermostats, the first edition required them but later ones will work with most electronics. The advantage to going with the Honeywell stat is that it displays the outdoor temperature and also offers freeze protection because it communicates the room temperature directly to the controller and can in fact be adjusted remotely. I'm really happy with ours.

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