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So I have a combi in my house which does downstairs and the unvented upstairs that does all the showers.
You can generally get a better flow rate with a unvented if you’ve got multiple draw offs at one time, if you’ve got say one bathroom and you put in a big combi you’ll probs be ok and unvented is maybe a bit over kill.
konastab01
What are the advantages to this, over just having a suitably powerful combi boiler?
I’m scratching my head trying to convince myself that a ~40KW combi will suffice for our new family bathroom, downstairs toilet and 35m2 wet underfloor heating…