hot water prob

rdouah · 22 Dec 2004

have a vaillant combi, recently turn hot water tap and boiler wont turn on until a second tap is opened, checked pessure which is at 2 bar (1 bar normally), ch is working fine, oiler is 3 years old and serviced every year

rdouah · 23 Dec 2004

this morning the boilker wont fire up at all when water taps are open, ch is still fine. its a vailant 282/1e and this problem only occurred a few days ago

pls any ideas would be much appreciated

Bahco · 23 Dec 2004

Release some water out of your system (drain valve ) to get the pressure back to down to 1 bar. If the pressure keeps going back up you will need a heating engineer. Your problem could be a faulty flow switch not sensing the change in pressure when you open your hot tap.
Not a diy job and you will have to call in a Corgi

rdouah · 23 Dec 2004

just had engineer out who reckons its diverter valve and wants to charge £500+vat to replace it, thats the price of a brand new boiler

Bahco · 23 Dec 2004

Well it is Xmas

Seriously tho you don't have to take the first quote. Ring around and ask how much to supply and fit diverter valve.
Merry Xmas

rdouah · 23 Dec 2004

went and got part myself and fitted it, now working fine just followed manual and hey presto...
all for the grand total of £53inc vat

thanx for help

Bahco · 23 Dec 2004

Well done.
Merry Xmas

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hot water prob

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