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home Fix label Heating label_important Home Heating Systems category Vaillant

Low pressure reading ?

Vaillant VUW242E / VUW282E
I have noted the lower guage on the right hand side reads zero when cold and .7 bar when running. The manual says if it's below .8 bar when cold it needs to be topped up. Where do I fill it and do I use normal tap water?
Thanks Richard.
RICHARD, January 2009
home Fix label Heating label_important Home Heating Systems category Vaillantdone
Thanks Phil,

Richard., January 2009
There should be a tap on inlet cold water pipe just open it gently to allow water into sytem and pressure to increase, then turn off.

Phil., January 2009
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