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my boiler will no work?

MY VAILLANT TURBOmax VUW242/1E has its power light on but I can not get hot water or central heating to work.

C.SPROD
November 2015
Basic checks:
There is and overheat thermostat attached to the pipework bottom left rear of the boiler (there are 2 low voltage wires attached to it), this is a manual reset.
Is the pump running and the pump micro-switch (above the pump) breaking?
Is the fan running?
Given the limited description of the breakdown, this is the best help that can be achieved.

Carefree
December 2015

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Find out how to mend Vaillant home heating systems