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I have an old solid fuel fire with a back boiler behind it...the pump is making a buzzing noise....some radiators hot some not...please help

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Tell us more: What is the Solid Fuel?-- Coal?-- Wood? Is this a Steam boiler?- or a Hot water boiler?-- It sounds like Hot water, for you mention a pump-- Perhaps it is a Hot Water Circulation pump?
Does the Boiler have a sight glass?-- What is the water level?
Tell us more, so we can help you figure things out.
Mack B.

Posted on Oct 17, 2013

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