Pressure tested to 100 psi without any leaks. Here we have a Stuart 504 boiler with all fittings. This sale is for the large Stuart 504 boiler only. It has the original hard insulation, and from its cleanliness, it seems that it has never been fired up. The item “Live Steam Engine Stuart 504 Boiler Tested to 100 psi Hit Miss” is in sale since Thursday, November 16, 2017. This item is in the category “Toys & Hobbies\Models & Kits\Tools, Supplies & Engines”. The seller is “brenner2″ and is located in Island Heights, New Jersey. This item can be shipped to United States.