AJJewsbury:
How big is the system (amount of stored hot water)? From memory small systems (<15l) used to have laxer legal requirements than larger systems. I think a lot of the undersink type heaters are deliberately just below that limit. Might have changed by now though.
- Andy.
AJJewsbury:
How big is the system (amount of stored hot water)? From memory small systems (<15l) used to have laxer legal requirements than larger systems. I think a lot of the undersink type heaters are deliberately just below that limit. Might have changed by now though.
- Andy.
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