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Mend Vaillant ecomax Changed Pcb Boiler

vaillant ecomax?

the digital display is not working. i have changed the fuses on the pcb but im still getting no display. The display was working fine then the boiler got turned off. when it was turned back on the display would not work

andy
April 2012
Vaillant ecomaxHeating, Home Heating SystemsChanged Pcb Boiler
hi can you help the little red knob on the boiler has come loose i think its tyhe pressure releif valve my pressure gauge is at 0 as well any help on how i can rectify this i have tried topping up the system and the gauge is still at 0

keannan gregory
November 2012
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