۲۴ months, after installation by a certified BIG servicemen/installer.
https://butaneindustrial.com/wp-content/uploads/2016/04/Butane-Logo1-300x185.png00adminhttps://butaneindustrial.com/wp-content/uploads/2016/04/Butane-Logo1-300x185.pngadmin2014-07-05 08:42:302014-07-05 08:42:30How long is the warranty for BIG boilers and what are the conditions?
