I have a potterton bolier, it lights for about 5 mins and then cuts out, you then hear airflow (have connected mains to hot tap and flushed to vent cold water tank, emptied rads, they are not filling and vent tank is full. i have a grundig pump and motorised valve. please help
No HW/CH
- Thread starter Heatingnerd
- Start date
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Does the pump go round at 33 1/3 or 45 rpm?
If opening bleed valves on your rads yields no water OR air, it sounds like you may have a "blocked feed pipe". Presumably you get water out of lower rads?
If you do a search on hose 3 words you should find some ways of trying to clear it - depends how handy you are.
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