3 hours ago: No lights and water in bottom of machine?

Mend Grundfos Home Heating Systems

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Mend Grundfos Air Heating Noise

how to air out of the central heating pump?

we have a grundfoss circulation pump, I have tried for ages to get the air out of it as it makes a noise

ray
March 2013
GrundfosHeating, Home Heating SystemsAir Heating Noise
Open big silver nut in middle of pump with big flat screw driver just open one turn until water flow

ltd
March 2013

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