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  1. #1
    Join Date
    May 2010
    Location
    W.Yorkshire
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    3 port diverter valve



    Ive been looking around and struggling to find a
    3 wire SPST or 3 wire SPDT to the correct spec.

    I have found the drayton za3 679-3... Does what i want but says max pressure is 0.7 bar (not sure if this is differential or total)

    My heating system is 2.2bar.

    So what 22mm valves do you use. For diverting heating or hot water circuit ???



  2. #2
    Join Date
    Oct 2007
    Location
    manchester
    Age
    50
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    5,707
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    Re: 3 port diverter valve

    thats differential pressure, its rated for 8.6bar- any heating system component has to be rated above the 3.5bar pressure relief valve (blow off)
    http://www.draytoncontrols.co.uk/sup....aspx?id=1504#
    Last edited by install monkey; 17-03-2013 at 12:38 PM. Reason: added link

  3. #3
    Join Date
    May 2010
    Location
    W.Yorkshire
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    Thanks pal. !!

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