Finally got a qualified plumber out to look at this and changing the inlet control valve...
Absoluely, got a service contract with British Gas so will just have to wait until they can come out to do it. I'll attach the label pic in a minute.
Also spoke with OSO (very helpful) and they said the same thing. It's replacement part number 355045. Thanks for your help.
Thanks regarding the note about Immersion Heater, it's definately off.
It's an OSO Indirect 250. I did what you said with the commissioning...
That's just a safety procedure, i.e. isolate it before doing any work, I'm not actually using it :-)
I don't believe that I am using the immersion heater, any reason why you think I am?
Last week I noticed that the tundish was dripping and followed the normal procedure:
Cold or tepid water discharge from tundish
1. Turn off the...
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