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Central Heating

I have a boiler that when it heats the water makes a sort of whooshing noise

Anonymous user 22/02/2024 - 2.32 PM

The boiler is a conventional boiler about 10 years old, not the combi type that is fitted nowadays. the central heating is fine, and heats up silently. The whooshing noise only occurs when the water is heating up. I want to get to the bottom of this and get the water to heat up quietly. I've tried altering the thermostat on the boiler, but it doesn't seem to have any effect/

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1 Answer

Anonymous user

hi, you have a circulation problem within the boiler, its either flowing throuh to fast or to slow. there should be a temperature drop from flow and return, this is a set temperature and if it deviates may cause noise, kettling whooshing and banging. chances are you have a restriction, normally iron oxide (sludge) might be worth getting an engineer to sample the water and using a differential thermometer to check flow and return temp. it may just require a flush or balancing up properley.
Answered27 June 2011
4