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Twin Boiler System
We have an old farmhouse with the hot water/heating system confidgured as
follows. Boiler 1: 110,000 BTU 16 radiators in the "front" of the house Boiler 2: 110,000 BTU 6 radiators, hot water in the "back" of the house Aga: Hot water in the front of the house In case you are wondering the house was once divided into two each with its own heating and hot water system - they are independent with their own header tank, timer, pump, hot water tank. Needless to say this is not very convenient - to heat one of the bedrooms we need to put the second boiler on. The two boilers sit next to each other in the boiler room so we would like to combine the systems. The question I would like to ask is how to organise the boilers. Do they go in series (i.e. water through one then the other) or parallel (i.e. split the water flow so it can run through either boiler and then recombine). CanI safely run one boiler and when I need the extra heat switch the second one on? One person has todl us that the boilers must go in series and both be controlled identically - same temperature and same time-controls. Before anyone asks, I know that the header tanks need sorting out so there is only one. Also, I do not want to go to the expense of a new boiler with the capacity for the whole house. We would also like to rationalise the hot water system so the Aga heats water for the whole house. This is a little more involved. Can I direct the flow through two separate hot water tanks? If not, how about a valve and a timer to regularly switch alternate from one to another. Failing that I guess I will need to remove one of the tanks and accept that it will take a long time for hot water to flow to some parts of the house. Do let me know if any of this fails to make sense and I will try to explain further. Thanks Harry |
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