DIY Doctor

Fluctuations in mains pressure, or shower on its way out?

Postby majdnem » Sun Mar 02, 2008 8:43 pm

I have a mains fed Triton Opal 9.5kw electric shower. It is 8 years old (fitted July 2000).
It had worked perfectly until recently when it started behaving erratically – working ok for a few seconds, then switching to low pressure and going cold. :O( Strange thing is it only does this in the mornings and seems fine in the afternoons. Am I right in thinking that this must be down to mains pressure? It seemed to coincide with the combi-boiler being on for the central heating, but as the shower is mains fed I don’t see how the two could be connected…?
Is it perhaps just that the shower on its way out? Is this how electric showers behave when they are getting a bit ropey?
I’m a bit wary of just going ahead and replacing it only to find that it is a problem with mains pressure and not a problem with the shower at all. Does mains pressure drop in the morning when everyone is having showers and filling kettles?
Any advice appreciated!
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Simply Build It

Postby simpleton » Mon Mar 03, 2008 2:18 pm

It wont make any difference whether you heating on or not. Check mains pressure at kitchen tap, if its fine then you have a shower problem
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