I have an electric boiler and heating linked to economy 7, with a
boost if needed.
The water tank heats up nicely but no hot water comes out, only cold!
I moved in a week ago and haven't had a proper shower yet!!!
Can anyone shed any light on what might be wrong. I've had a plumber
in who says he can't see anything wrong, and an electrician who said
the same. They told me to contact Norweb who put the system in and
they don't deal with this stuff any more.
Any ideas gratefully recieved.
Can you take a picture and put it on the web? If not, can you read any
markings or manufacturer's name and model?
How do you know the water cylinder heats up?
The system could be a heat bank. In this type of system, the hot water
doesn't come directly from the cylinder. Instead, when you open a tap, the
mains pressure water activates a flow switch which pumps the stored hot
water round a heat exchanger, heating the incoming water. If you have such a
system, the following failures (amongst others) could cause the hot water to
1. System is turned off (probably at an FCU). This won't affect heating the
cylinder, only the transfer to the cold mains.
2. Pump failure.
3. Flow switch failure.
4. Heat bank cylinder needs topping up (manual fill).
5. Heat bank cylinder refill failure (auto fill)
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