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Home Service FAQs FAQ of gas-fired(oil-fired) boilers What is the proper way to clean a steam boiler?

What is the proper way to clean a steam boiler?

29 May 2020

There are many opinions on the best way to clean a steam boiler. One of the oldest ways is to dissolve a pound of tri-sodium phosphate (TSP) and a pound of caustic soda (lye) in water and pour it into the boiler. Let it cook for a few hours and then drain the boiler. If you can't buy TSP in your town, try a commercial soap called MEX. It works well and will not damage the rubber gaskets found in some boilers. However, before you clean any boiler, check the manufacturer's instructions for their recommendations. 

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