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Boiler stress - who knows about vaillant boilers?

(4 Posts)
HeyMacWey Tue 10-Oct-17 18:07:33

I have a vaillant ecotec. It's just been moved to a different position and having a few teething problems settling down.

Yesterday had the f28 fault but had hot water for a few mins til it cut off and no heating.

Chap fiddled with the diverter valve and it started to come to life a bit, but only luke warm rads and tepid water temp.

Have replaced the diverted valve as thought this was playing up (it only really started working again once he'd taken the head off the valve and manually pushed the little pin in and out)

Now we have much hotter water, but no central heating. No f28 fault anymore though.

Does anyone have any ideas why this is happening or have experienced similar?

johnd2 Tue 17-Oct-17 10:08:41

Did he flush the pipe work before filling the boiler again?
Probably a load of muck dislodged and flowing through the boiler getting stuck. Either that or air in the system somewhere.

HeyMacWey Tue 17-Oct-17 10:33:17

Thanks John.
Turns out it was the pcb.
Vaillant said it was quite common for them to go when boilers were moved.

johnd2 Tue 17-Oct-17 14:51:17

Glad you got it sorted!

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