Hi when I turn the Central Heating on it makes a strange sound like a Scraping sound I was wondering if it might be air in the system. I have a combination Halstead Best 40.
[quote="NOVICEGIRL"]Hi when I turn the Central Heating on it makes a strange sound like a Scraping sound I was wondering if it might be air in the system. I have a combination Halstead Best 40.[/quote]
try taps to see if water is running ok and bleed rads
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