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Mend Boiler Flashing Hot

My vailant boiler ecotech is flashing f22?

I have no hot water and I am sure it's to do with the water pressure but I don't know how to get the pressure up??

Samantha
September 2013
look under the boiler u will see 2 white valves caps turn them both and the boiler should fill up. fill it up to till the dial goes to the middle of the grey.
heres a pic. go down to ecotech filling loop.

http://www.vaillantservice.co.uk/Vaillant_Boiler_Self_Help.html

kash
September 2013
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