The engine's only control was a fuel valve, which was connected to a stick within easy reach of the pilot. Once the engine was started and running smoothly, the valve was used only to stop the engine.

Midland-ACS range of 3/2 pilot operated poppet valves in Stainless Steel 316L for use on gases. Features and Benefits: Specifically designed for Severe Environments. Ambient Temperature Range -20 ºC ...

Two-way, pilot operated solenoid valves for hot water/steam applications, normally closed with threaded port connection. Brass body. Compact design to minimize heat radiation loss. DIN plug connection ...