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how can i fix the pressure on my vaillant VCW T3W boiler?

The hot water and CH is not working i think due to loss of pressure. On the gaugue its pretty close to the 0 mark. How can i repressurise this myself?

confused
June 2009
VaillantHeating, Home Heating SystemsPressure Vaillant Vcw
VCW had external filling loop.you should be looking for a stainless braided hose with one or two valves

Bart
August 2009
I can see a white plastic tap that I could turn.. other than that there isnt anything else that i can visibly move. The tap on this leads to the 4th pipe along. There are two outer thicker pipes, then 3 thinner pipes.

Is this what i should be turning?

Thanks

confused
June 2009
yes the filling loop should be under the boiler it will be attached to the cold main in to the boiler. Normally it is a little black tap you should top it up to between 1-2 bar

joe b
June 2009
There should be filling valve under boiler or somewhare in the unit under boiler

Mr K
June 2009

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