Hot Water Fine, but no Central Heating
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davethewave
Labourer
Labourer
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Joined: Fri Oct 12, 2007 9:54 am

Hot Water Fine, but no Central Heating

by davethewave » Fri Oct 12, 2007 9:56 am

Hi – I’m having a most odd issue with my Potterton Lynx 2 Combi Boiler.

The hot water works fine. However, if I go to switch the central heating on, the boiler makes a quiet whirring noise, but nothing else happens, no lights, no firing up and no heat. However, if I turn on a hot water tap (in the bathroom in this case) and then switch on the central heating, it springs to life. Anyone got any ideas, this has just started to happen.

The Heating Doctor
Foreman
Foreman
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Joined: Mon Aug 27, 2007 10:49 am

by The Heating Doctor » Sat Oct 13, 2007 2:13 am

Sounds like a problem with the diverter valve in your combi.

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