Just a couple of questions.
Firstly I have a water heater which heats water for my whole house, much
like a combi boiler (i.e. when the hot tapes are turned on) but without the
central heating side of things. The problem is that when I use the shower
the heater rarely "kicks" in so the water is cold. Any ideas why this is and
how I can resolve it?
Also I am thinking of installing an electric shower, and would like to know
if its best to connect it straight to the mains supply or from a cold water
Thanks in advance
This group is mostly US, so they probably don't have a clue what a combi
If it kicks in fine for other outlets, you probably have a lazy flow switch
on the boiler. Try turning up the flow on the shower so it draws enough
water to kick the boiler into life. Alternatively, the switch could be
It absolutely must be on mains. An electrically heated shower is pretty poor
at the best of times without dragging it down further by running from
gravity flow. It will usually provide a much worse performance than a combi
boiler to start with.
Even the best electric showers are around 10kW. A typical combi will be
24-30kW and will give a proper shower, unless you've got a panel shower with
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