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by Dabs
Tue Nov 25, 2008 12:53 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Potterton profile 80e - doesn't fire up immediately.
Replies: 3
Views: 7288

Central heating fires up ok as soon as you switch it on.

DHW will fire up eventually, it just has goes through a on/off cycle several times before it ignites.

Not sure if it is a main PCB fault, that s what plumber diagnosed over phone when I explained symptoms. Not convinced though.
by Dabs
Mon Nov 24, 2008 3:18 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Potterton profile 80e - doesn't fire up immediately.
Replies: 3
Views: 7288

Potterton profile 80e - doesn't fire up immediately.

I've got a strange problem with my Potterton 80e. The boiler fires up ok on heating, but on hot water demand the boiler starts to fire up and then switches off. It cycles like this for a while i.e tries to fireup-->turns off-->tries to fireup-->turns off before eventually firing up ok. Once it has s...
by Dabs
Mon Nov 24, 2008 3:13 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Overheating valliant VCW Sine 18 combi
Replies: 1
Views: 2684

Overheating valliant VCW Sine 18 combi

The overheat reset on my valliant VCW Sine 18 keeps kicking in. The heating works fine but as soon as I turn on hot tap the overheat reset kicks in almost immediately, no hot water delivered at all. Had several plumbers come around and they all say 'could be this could be that, best to get a new boi...
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