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Mend Vaillant atmoMAG Water Full Power

Vaillant atmoMAG water heater ?

I have a Vaillant atmoMAG water heater that lately has starting igniting to full power as soon as i turn the flame up, before I turn any tap on. Also, when I turn the tap off it doesn't stop working. Any advice?

Arsenia
March 2014
VaillantVaillant atmoMAGHeating, Home Heating SystemsWater Full Power
where to find parts for val automag

gary
October 2016
The AtmoMag has a traditional water section rather than the more modern aqua sensor.
this water section is run by diaphragm/push rod, and the only thing that will bring it on as described, is the pin is stuck in the 'up' position usually caused by a leaking stuffing box on top of the water valve.

Carefree
March 2014

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