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Cleaning Steam Boiler

Was wondering if anyone could tell me if cleaning a steam boiler will help surging and pipe banging....

I was told that "in the old days" people didn't do that much in terms of boiler cleaning and water draining/cleaning...

Is it harmful to a new boiler to every year or so to completely drain down and clean boiler with "boiler cleaner".....

Last year I installed a new Weil-McLain boiler...one pipe steam...installed did not skim boiler....I had a lot of problems with surging and dirty sight glass...and low water cut off...

I was told to clean boiler....so yesterday I completely drained system.....took off relief valve...poured in cleaner...and fired up boiler....I then attached an elbow and 3 foot section of pipe to relief and proceded to let water....crude ..oil...and yes a bit of steam blow out....

Water still seems dirty...I was told to keep doing this till I get water clean...

Question...Does boiler water need to be as clean as possible....in order to stop surgin and banging..

I had very good results last year when boiler water was clean...did not have banging and low water/surging problems..

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