We're probably not going to be bothered by bath-fill times, so an
internal heat store may be unnecessary. Not bothered by fancy showers
(body jets, etc.) but would like a decent reasonably powerful shower.
And given the price differential, an instantaneous type may suit you better.
You'll get good shower performance from a 28kW combi. 40kW will do two
reasonable showers simultaneously.
Christian.
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