The boiler is in very good condition , silver hard soldered , the bushes are silver soft soldered. With gas burner, there is a spare bush for a check valve Thread M 6 x 0,75. See photos for more detail.Feel free to contact me for further information/pictures etc. And I will get back to you ASAP. All items are sent as Registered Post. The item "Steam Engine Boiler Vertical" is in sale since Tuesday, September 18, 2018. This item is in the category "Toys, Hobbies\Powered Toys\Steam Powered". The seller is "jeska04" and is located in New Harbourline, QLD. This item can be shipped worldwide.