Steam Engine Boiler - Vertical. For sale is this boiler in very good condition , the gas burner works perfect. Has a spare pluck to fit a check valve.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 Friday, February 15, 2019. 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.