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I want to clean my boiler to get ready for the new heating season that is just around the corner. My steam boiler is about 7 years old. Every year I drain the dirty water until i get clear water and keep the sight glass with clean water level without sludge. I was reading in another post to add chemical to clean the boiler out of rust and maintain a good PH. My questions, For a residential steam boiler 140000 btu's in a single home It is necesary add chemical to the water? if the answer is yes from where do I put the chemical in. I was thinking of removing one of the main vents in the return pipe to pour the chemial in. Is that the way to do it?
Adding chemical will help heating the system faster and save energy? Please advise. I am a home owner hook on steam system.