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Re Netaheat 10-16?

Does the above heat both water and radiators?
If so do I need an immersion heater active all the time?
Derek Harper, July 2007
Does the above heat both water and radiators?

yes


If so do I need an immersion heater active all the time?


no you don't have to have one at all.
they can just be handy if the boiler fails for any reason.

hi-spec plumbing, July 2007