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Mend Vaillant Turbomax 242

Vaillant Turbomax VUW GB 242 E - no hot water?

CH works fine. DHW works when CH is on. No DHW when CH is off.

White rocker arm isn't pushing down the microswitch when DHW is called for. I've replaced the diaphragm but still the rocker arm won't budge. Any ideas as to where the fault lies? Is it time for a new diverter valve?

Help greatly appreciated.


Cheers

Rich

Rich
November 2007
VaillantHeating, Home Heating SystemsVaillant Turbomax 242
I meant to add that if I have the diaphragm section opened & push up on the "plunger" the diaphragm would normally move, this doesn't move the rocker arm either.

Any ideas appreciated.

Cheers

Rich

Rich
November 2007
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