electric shower

[Alasdair]

Any recommendations for a flow activated instant mains water heater to supply a thermostatic controlled shower: thinking of putting the heater in the attic immediately above the shower.
Happy to run 10mm to a 10kW heater but some appear to be unsuitable for this applicationaccording to manufacturers instructions: suggested makes/models would be appreciated.

[Paul Barker]

It'll be a very poor shower, you can't heat enough water with 10kw.

Can you get a gas appliance up there. Chaffoteaux Brittony IIt, still available new, just needs an anual service to clean the pilot jet and a new diaphragm about every 5 years. Never wants for anything else, perhaps a tc every 20 years. Should last 40 years.