Baxi 105e instant combi boiler

Joined
14 Jun 2011
Messages
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Location
Yorkshire
Country
United Kingdom
Hi Guys
I have this boiler, about 5 years old,never had any problems.

Last winter it was not holding pressure and timer won't work. When we switched off heating in the night, we had to top up every morning after otherwise it won't start.

In the process, a few times pressure exceeded 4Bar and rust coloured water dripped through the pipe going out through the wall. I had to bleed the radiator to reduce pressure.

Now in summer when it's in hot water mode, central heating is on all the time.

I am not sure what to do.
Please help.
 
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The diverter valve or transfer valve may be failed!

It also sounds as if the expansion vessel has failed since last year!

Tony
 
Thanks
I can find a used diverter valve on ebay.
Is it easy to replace as DIY, I have never opened a boiler in my life!
 
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Don't get a used diverter valve. It will not give you reliable service unless it has been correctly refurbished.
 

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