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We had to replace our hot water tank, we did this

We had to replace our hot water tank, so we got someone in to do it. when we turned it all back on we had no hot water but we had heating, we have tried to call the guy in question but without luck. We then thought we had an airlock so drained the whole system, tank and radiators and then tried to refill everything. The water tank re filled but the radiators wont. Some of the down stairs radiators make a few clinking noises but thats it. The hot water is run on a back boiler system ( its a very old house) and when we turn the water and heating system on, the pump down in the cellar makes a loud buzzing noise, as though it is working overtime. The pipes which are feeding water to the pump are hot but the ones after it are cold. I have tried turning a couple of the valves but nothing seems to happen and to be hnest i ahve no idea what i am doig. We still dont have any hot water or heating!!!!

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Try opening the bleeders on your radiators,one at a time starting at the one closest to the pump until all air has been expelled then close bleeder and move on to the radiator next furthest from the pump and so on.if hot water doesn't come out from the first radiator within a short time, or if you cannot hear air being forced out thru bleeder you prolly have a defective pump; have it checked/replaced by a reputable pro..my guess is that the "buzzing noise" is because the pump is defective and the electricity has no place to go.an easy preliminary check for this is to feel the pump motor while buzzing to see if it is hot, if ti is it prolly is bad

Posted on Nov 14, 2009

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