Recent content by alanprorib

Thank you for valued support and interest. Alan :D :D :D

Yesterday, I fitted a Primaflow 3/8” Air Eliminator (automatic bleed valve). Completely drained the system, flushed with fresh water and refilled. Pumped the system without the boiler switched on. Bled each radiator in turn, starting at the bottom radiator. Then opened the...

As stated in the quote the arrows (cast in the body of the pump) were pointing up, to me this means the direction of flow is up and the also meant the label was in the correct orientation. The rotaion of the pump was checked and was found to be in the correct direction according to Grundfos...

The system was never drained and flushed by closing each radiator. Originally the system was drained for the purposes of replacing the pump and installing the required distance piece. The pump was installed with the flow arrows pointing up, the flow comes in at the bottom and goes out at...

The problem was recently identified after replacing the main pump from a euramo mxl 180 to a grundfos Selectric 15-50. The pump was replaced because it was noisy and viabrating, even when operated at the low speed. There was also a lot noise (kettling) from the boiler. All the noise...

Home heating parts