LOUD LINGERING DRONING WHEN HOT WATER IS USED


Postby NicB » Thu Jan 10, 2008 10:16 pm

Whenever we turn on the hot water really loud droning noise starts after the water has heated. Have read all the info on hammer , bled all the radiators, reduced the flow on the stop cock, drained the system and refilled, been up in the attic to check the flow?????????but still this noise

what is it and how do I fix it???
NicB
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Joined: Thu Jan 10, 2008 10:09 pm

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Postby htg engineer » Fri Jan 11, 2008 4:28 pm

Type of boiler / system ?

Could it be the ball valve in the loft vibrating ?
htg engineer
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Joined: Tue May 22, 2007 5:22 pm


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