Heating works but no hot water

[kellykelloggs]

hello all
I have been having a quick read of the forums and you guys sound like you know what your talking about! I woke up this morning to have a shower and there was no hot water. The demand light didn't come on when I turned on the hot water but it seems to work fine when I turn on the heating?? Any ideas?

Thanks Kelly

 

[kevplumb]

errr yes the white box on the wall aint working

 

[kellykelloggs]

Does anyone have any non - patronizing help?

 

[ChrisR]

Weill if your "demand light" is on the programmer, he's right, the thing's kaput, simple as that.

 

[kellykelloggs]

Even though the CH is working?

 

[kevplumb]

read this then re post

 

[kellykelloggs]

It is a Worcester 9.24

I have CH but no hot water

Nothing has been done to it lately

It just started this morning - as far as I am aware


Hope this makes it easier to diagnose

 

[kevplumb]

diverter valve is the usual suspect
or the water flow switch

unless it's the one without a diverter valve

then it's the flow turbine

 

[ChrisR]

It's a bog standard giannoni diverter. Pretty old now so it may be the diverter internals sticking as well as the diaphragm. Could cost just a few quid if you sort it yourself, or worcs want £91.10 + vat for a whole new one.

 

[kellykelloggs]

Thank you for your help. I don't think I could tackle this on my own sounds like a call to the plumbers!

Thanks again

Kelly

 

[kevplumb]

ahh the old grey matter is full of cnc and hydraulics this week

 

[wilhelm]

jeeez kev , you dont do tool setting as well?????

oooeerr.

 

[kevplumb]

man of many talent's marra

 

[wilhelm]

ah, yes, i know the feeling....