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Posted by Katie on November 20, 2008 at 21:09:27:
In Reply to: Re: Weil Mclain Overfilling posted by HeatPro on November 20, 2008 at 00:02:09:
Thanks very much. I removed the lower sight glass valve and sure enough I had a plug of sludge. I cleaned the valve out and cleaned the piping into the boiler. How do you go about cleaning the sludge out of the boiler itself? I assume professionals have specific tool to do this. Is there perhaps a non-hydrocarbon chemical that could break it up such that I could flush it out?
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