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Manual pump for back boiler

  • 18-10-2022 4:46pm
    #1
    ofearghp
    Registered Users Posts: 20 ✭


    Hi there,

    We had a wood burning boiler stove installed a number of years ago (we have a supply of free wood), its 12Kwh system that heats the entire house plus a 300l water tank. It works very nicely (there are 9 rads). I'm worried about power cuts and I know the pump is a weak link there, ie the stove will heat the water only but not circulate the heat around the house. Does anyone know if its possible to install a manual pump to use as a back up to circulate the hot water around the house, or at least the upsatirs? I've asked the plumber we used, but he could only think of a pump running of a 12v battery.

    Cheers



Comments

  • #2
    denismc
    Registered Users, Registered Users 2 Posts: 1,546 ✭✭✭denismc


    Our circulation pump has a 3 pin plug which allows us to unplug it from the heating circuit and plug it into an alternative power source such as a power pack or generator. we use an invertor hooked up to an old car battery which will easily keep the pump running overnight. Then its a case of making sure the hot water can run through the pipes i.e you don't have any valves that require power to open them.



  • #3
    ofearghp
    Registered Users Posts: 20 ✭ofearghp


    https://www.boards.ie/discussion/comment/119761426#Comment_119761426

    Thanks, I need to check that. I hadn't thought of whether there could be valves



  • #4
    jimf
    Registered Users, Registered Users 2 Posts: 3,960 ✭✭✭jimf


    as far as i know there should be no motorised or any closable valves on a solid fuel install

    as these would interfere with the gravity flow in the event of a power outage



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