Jensen 20 Model Steam EngineThe Model # 20 is the "Original" Brass & Cast Iron and Steam Engine, designed by Tom, Sr. in 1932. Since our founding, each of these engines has been individually handcrafted by Mr. Jensen and his Son and factory tested to insure maximum performance. Large Capacity Solid Brass Boiler Exclusive Hotwatt 110V. Immersion Heater Massive Cast Iron Engine Base and Axle Journals Heavy Cast Iron Flywheel with PTO "V" grooves High Torque Engine with Double

If terminals touch the firebox walls it will cause a dead short

2 step 1 3/8' diameter

5 Amps 400 Watt Sandwich Type Heating Element

Jensen Steam Engine Firebox - Model # 25

Burner slide for Wilesco D 3

2" with grooved pulley

Complete-Model # 20G

84 mm outside for Wilesco D 320

Take the hollow steam screw out on the top front of boiler which holds the steam pipe on

Includes pop valve

For additional Science Fair and Physics fun

2-1/2 x 6 boiler