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Combi boiler with unvented cylinder for underfloor heating

Discussion in 'Plumbing and Central Heating' started by IvanS, 9 May 2017.

  1. IvanS

    IvanS

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    We've got a 3 year old Valiant ECO TEC plus 831 for a 3 bed one bath house.

    We are looking to extend to 4 bed and 2 bath with downstairs underfloor heating (around 100 sqm).

    Can we use the combi boiler with unvented cylinder? or we should change to a system boiler?

    What make of unvented cylinder would you recommend?

    Thanks,
     
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  3. Dan Robinson

    Dan Robinson

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    Yes you can.

    Joule cylinders
     
  4. DP

    DP

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    Think it out before you decide the scope of installation
    Present boiler is same as what i have. It runs a shower well. If your shower rose is to be a bigger one, then you may want the shower off the cylinder
    Bath obviously also off the cylinder
    Kitchen and utility or another hot water point where disruption of flow rate not important- supplied from boiler
    Cylinder- perhaps a solar coil version for future upgrade?
     
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