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Hello and thanks for using this service, if you have been waiting do not worry or get upset I am just one of the techs on here and I try to get to as many customers as I can and I just picked up your question now. Please give me time to respond sometimes I get your replies late so there may be a delay in my response.
What is so loud on it the blower?
What does it sound like exactly?
Basically hissing or banging noises from your boiler or heating pipes are caused by the following:1. Scale in the Heating SystemThe build up of scale can be treated with a chemical descaler, found at most DIY stores. This involves shutting down the system, adding the product and leaving it to work for a few days. The system then needs to be drained, flushed through and refilled. This can cause 'hot spots' which produce loud bangs from steam bubbles. This can be treated by adding a chemical descaler to the Feed and Expansion Tank, found at most DIY stores. The system then needs to be drained, flushed through and refilled.
2.Boiler Thermostat is Set Too High or is Faulty Lack of Water or Pressure in the Central Heating System You will need to double check that the mains water is on. If it is, first turn off your boiler and check your Feed and Expansion Tank - move its metal arm to release the Float valve if it's stuck. Check that the Open Safety-Vent Pipe is correctly installed. Another cause could be that you have Burst of Frozen Pipes.If the problem is a lack of water pressure, the pressure indicator on your central heating boiler will usually indicate it needs to be increased.
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I am not sure what exactly you were looking for as no one has gotten back to you.