Recent content by mackredie

2face Thanks for your replies Halstead been very good for thirteen years. Many repairs later there is still nothing wrong with the boiler! fitz1 impellers may well be 'broken' water pumps have very little to do with gas :roll: :lol: Sorted

Thanks Tony could well be, how did you establish that and I take it the pump needed replacement. regards Mackredie

Hi can someone help we've got an old Halstead Boiler which fires and runs and hot water gets quickly to the pump which appears to be working (screwdriver test) runs freely. It then slows and stops circulating with lots of banging and bumping and then the thermostat shuts off the boiler. We...