Additional instantaneous hot water units connected to combi boilers
All I would need is a low rated unit say 4kW to raise the temp
of the mains water 5 degrees or so.
Well, it would turn your 24kW combi into a 28kW one. It might have been
better to install a 28kW in the first place. It would give you an extra 16%
water flow, at the cost of a lot of electricity.
Christian.
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