This depends on the water quality and mineral content in the area.
https://butaneindustrial.com/wp-content/uploads/2021/07/Butane.png00adminhttps://butaneindustrial.com/wp-content/uploads/2021/07/Butane.pngadmin2014-07-04 05:47:112014-07-04 05:47:11How often does the boiler need to be treated for build-up?