24 months, after installation by a certified BIG servicemen/installer.
https://butaneindustrial.com/wp-content/uploads/2021/07/Butane.png00adminhttps://butaneindustrial.com/wp-content/uploads/2021/07/Butane.pngadmin2014-07-05 08:42:302014-07-05 08:42:30How long is the warranty for BIG boilers and what are the conditions?
