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  1. K

    hot water zone?

    hi good morning all, i am planning to install heating and hot water system in large house. just a question on the hot water side.. its a domestic building, the building has a pool/ bar, shower area, and i plan to run a secondary hot hater 'loop' to that area, the question is.. is it ok to have...
  2. K

    Lead and lag boiler wiring design

    Hi Customer has very big house, using whole house sizing method, it requires 44 kW to heat house. in my view I would like to install 2 open vent 24 kW boilers, the cost is about the same, but the efficiency will be better with only one boiler working on most days and only the 2 when temp drops...
    • kiaora
    • Thread
    • boiler wiring
    • Replies: 15
    • Forum: Boilers
  3. K

    alpha 240 fan not working

    hi all got this old alpha 240 combi to look at yesterday, customer reports not working heating or hot water. when i first arrive turn on hot tap, it works no problem! tried it again and after 3 attempt it not working . the flue/fan led is lit. no voltage at the fan when tap turned on. pump...
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