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Mend Vaillant Combi Boiler Central Heating Pressure

my combi gives hot water but central heating not working. ?

Have reset the Vaillant boiler as per instructions but still no heating. The pressure is too low but can't seem to find out how to increase this, other than resetting.
Housing association can't fix it till next Friday!
Ideas anyone please??

Lydia
October 2010
VaillantHeating, Home Heating SystemsCombi Boiler Central Heating Boiler Pressure
ok....have increased the pressure now. But still won't ignite....roll on Friday as have run out of options now!

Lydia
October 2010
Thanks...have seen the white knobs so will go and investigate now!!

Lydia
October 2010
Have you got any fault codes on the lcd screen if it has one? F75 for example.
A model name would help us to help you. i.e. turbomax, ecoTEC, ecoMAX, VUW GB 246/3-3 R1 things like that. How old is your boiler?

jim the plumb
October 2010
there should be 2 white knobs at the bottom of the boiler turn those both and fill the boiler then close them hope this helps as there other types of vaillant boilers with different filling methods

kash
October 2010

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Vaillant Boiler: No Heating - Help!