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- 5 Nov 2003
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Hello all - great site!!! 
My plea for help:
The story so far:
Our CH pump sounded like it was dying (screaming) so I have just replaced our CH pump no problem but, water leaked on to on of the Honeywell Elec valves and boom the Potteron 2000 control unit died. (the burned marks on the controller circuit said it all). So I replaced the unit and all works Hot water and Radiators (upstairs).
We have Hot water in our taps downstairs, but we do not have heat coming through to the radiators down stairs. There is heat on the input pipe of the radiator but that’s it.
Any ideas?
Do you think the HW Elec valves need replacing? Are the radiators blocked with sludge/lime scale?
My plea for help:
The story so far:
Our CH pump sounded like it was dying (screaming) so I have just replaced our CH pump no problem but, water leaked on to on of the Honeywell Elec valves and boom the Potteron 2000 control unit died. (the burned marks on the controller circuit said it all). So I replaced the unit and all works Hot water and Radiators (upstairs).
We have Hot water in our taps downstairs, but we do not have heat coming through to the radiators down stairs. There is heat on the input pipe of the radiator but that’s it.
Any ideas?
Do you think the HW Elec valves need replacing? Are the radiators blocked with sludge/lime scale?
