Vaillant ecotec 831 plus?

Following a F22 fault where we had no heating and only cold water from the hot water tap, I topped up the system, but went to far the needle went into the red. I bled the radiators to reduce the pres ... more

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Vaillant F22 fault?

f22 fault how to fix

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Vaillant eco plus 531 boiler?

replaced pcb board f70 ,asks for password no,17, but no 17 on display ,goes from 16 to 22 .on boiler vaillant 831

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Vaillant 828E - no hot water?

Green light is not flashing when hot water tap is running. Central heating works ok

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Vaillant condensing boiler ecoTEC plus?

The boiler stopped working and showed fault F22 dry fire. I changed the 3 amp fuse in the electric switch and pressed the test button in the consumer unit. A switch dropped down which I then pushed up ... more

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how do I rectify the fault as detailed below?

occasionally my vaillant eco tec pro combi boiler does not come on in the morning and a bmu error code appears on the vrt 360f stat how can I fix this problem

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Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?

My boiler lights easily but after 5 minutes there is a click and then it goes off and the pilot goes out.

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how to fix water pressure its down at bottom of grey part?

the heating and hot water working but pressure looks to low Vaillant ecoTEC condensing boiler

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Vaillant vcw gb242 eh central heating problem?

Hi just wondered if anybody can point me in the right direction, central heating wont come on, if you press the diverter valve in so it hits the micro switches it works but if you let go it turns off, ... more

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Hot water comes and goes!?

I live in Spain and have a Vaillant Geyser (Water Heater) References MAG premium ES 19/2 GXI, GI and MAG premium ES24/2 GXI Appliance is 10 years old and recently had a 'membrane ... more

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can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?

my boiler is a Vaillant ecotec 618 and is NOT a combi, I wish to replace the Potterton EP2 2 way programmer with a Center EHE0200361 RF programmable timer , is this new timer compatable with my boiler ... more

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