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Dual Heating Interconnection

  • 29-11-2011 4:31pm
    #1
    meligala
    Closed Accounts Posts: 5 ✭


    Hi Everyone,
    long time reader but virgin poster, congrats on a wonderful site have gleened loads of useful information over the years.

    i installed a boiler stove (15KW Inis Meain) in May which has been providing loads of DHW since, has made an impact on ESB bills since i now no longer use my Immersion or Electric shower, also piped this hot water to the Dishwasher and the Washing machine, all in all a success.

    Now i want to finish the job and get the stove to provide some of my Central Heating. i only need to heat 5 single radiators upstairs as downstairs is underfloor heating.I will be employing a reg plumber to do this work as i need to change my LPG Boiler (Pressurised) to open vented.

    From reading a lot of previous posts on Boards and elsewhere i believe i need
    2 new pumps
    2 non return valves
    sum sort of filter to prevent damage to Heat exchanger in gas boiler
    and a feed and expansion to the new open vent boiler
    Have already installed a pipe stat on the return from the gravity cylinder circuit which i hope will control the Stove pump.(if im leaving anything out please let me know)

    However i am unsure how these components will interconnect and would like ur opinions so that i can compare to the plumbers work.
    I have included a simple schematic, mabye someone could edit same to include the new connections, and components and their positions in the system.
    In essence i want to avoid a lot of the Stove issues i read about, eg Pitching, Banging.
    Thanks in advance.


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