CH Pump Questions

[kstandsteve]

My wife tells me she heard a "drilling" sound from the airing cupboard yesterday. I can only imagine it was the CH pump. Would anyone agree?

I have been thinking of replacing the pump as we have very hot rads upstairs and warm rads downstairs.

If I am to replace the pump which make should i go for? There seems quite a large price range.

Thanks

 

[swbjackson]

You'll get a variety of answers but I've always favoured grundfos.

 

[kstandsteve]

Thanks - that was going to be my choice.

My present pump is a 15/60 what do these figures mean?

 

[D_Hailsham]

I have been thinking of replacing the pump as we have very hot rads upstairs and warm rads downstairs.

Replacing the pump may not cure that problem as it might just be a case of balancing the system properly!

15/60: 15 means that the pump has 15 mm suction and discharge ports and 60 means that the maximum head is 60 decimetres, i.e 6 metres. The head is the flow resistance of the system.