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Mend Vaillant VUW 242E Boiler Pressure

I have a Vaillant turbomax VUW 242E?

I have a valliant turbomax vuw 242e... The problem is that the pressure is reaching 3 bar.... I have tried bleeding water out of the radiators , this causs it to drop but it the climbes again.. could it be water in the expansion vessell?

Lont
December 2007

Vaillant Vaillant VUW 242E Heating, Home Heating Systems Boiler Pressure Vaillant

Check your expansion vessel, try turning your cold water inlet valve off - see if it rises then, if yes then there is a leak on the domestic heat exchanger, normally if this is the case then the pressure would continue to rise all the time.

Big A
December 2007

Thanks... I have checked the loop and it isnt drawing any water into the boiler.

lont
December 2007

First I would disconnect the filling loop in case it is continuously allowing fresh water into the boiler.

John
December 2007

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Vaillant VUW 242E Pressure Issue - Help!