Vaillant Ecotec Plus 620 vr10 vr66 DHW issue

Harry Bloomfield · 2024-11-18T20:52:10+0000

adam_no_understand said:
The only issue remaining is the thermostat it replaced on the hot water tank was part of a dual thermostat which also housed the hot water limit which is meant to be wired into the boiler system power... Word of warning that some cylinders have a coupled thermostat and hot water cut off thermostat.

The thermistor end, only needs to be in contact with the metal of the cylinder, pushed in under the insulation, around 1/4 up from the cylinder bottom.

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Vaillant Ecotec Plus 620 vr10 vr66 DHW issue

Harry Bloomfield

DIYnot Local

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