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Old 31-12-2016, 06:02 PM
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MIDLIFE MIDLIFE is offline
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Default Any heating engineers on here?

Moved to a bungalow about 3 months ago and having hot/cold problems with the hot water and shower. Radiators work perfectly with no cold areas they have been bled. Viessmann 30 kW combi boiler approximately 12 metres away from taps/shower situated in the loft. Would a faulty diverter valve cause these issues? Or if the valve was faulty would it effect the radiators as well? If the heat exchanger was air locked or blocked would this effect both hot water and radiators. Thanks in advance for any replies.
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Old 31-12-2016, 06:11 PM
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Yes I'm a plumbing & heating engineer and wouldn't want to advise with out seeing it . Would be so easy to wrongly misdiagnos with out seeing it
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Old 31-12-2016, 07:08 PM
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Quote:
Originally Posted by MIDLIFE View Post

1: Would a faulty diverter valve cause these issues?

2: Or if the valve was faulty would it effect the radiators as well?

3: If the heat exchanger was air locked or blocked would this effect both hot water and radiators.

3 simple questions , surely Yes or No answers would do.
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Old 31-12-2016, 07:26 PM
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Originally Posted by BIG"E" View Post
3 simple questions , surely Yes or No answers would do.
1 yes but other things could
2 no
3 no as the rads work

As said you need to get some one out as it's not going to be a straight answer of yes or no .
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Old 31-12-2016, 07:33 PM
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Your biggest issue is Viessmann are crap but that's not probably going to be the answer you're wanting!
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Old 31-12-2016, 08:42 PM
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Your biggest issue is Viessmann are crap but that's not probably going to be the answer you're wanting!
Thanks for your input, thought German products would be ok, boiler is ten years old, what boiler would you recommend if i need to replace it ( runs 7 rads)
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Old 31-12-2016, 10:04 PM
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Nothing wrong with viessmann stuff, everyone has there own preference
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Old 31-12-2016, 11:32 PM
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Quote:
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Thanks for your input, thought German products would be ok, boiler is ten years old, what boiler would you recommend if i need to replace it ( runs 7 rads)
Now days 10 years is deemed to be the lower end of a boilers life expectancy 15 years the higher end.
Worcester or valiant for a combi ,take your pick.
Good luck what ever you decide .
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Last edited by C. J.; 01-01-2017 at 12:58 AM.
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Old 01-01-2017, 09:01 AM
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Frenchie Frenchie is offline
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We have a Valiant ecotec plus here, works great. Believe it has a stainless steel heat exchange.
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