Check the listing for details. EngineXpert P5 Steam Controlled Gas Regulator Engine Accessory. Condition: New. Listed at 74.51 USD. EngineXpert P5 Steam Controlled Gas Regulator The EngineXpert P5 Steam Controlled Gas Regulator is a precision-engineered component designed to automatically regulate the height of the flame based on the boiler pressure. Ideal for use with all gas-heated steam engines, this gas pressure adjustment valve ensures efficient and safe operation. Specifications: Part Number: P5 Operating Pressure Range: 5 - 90 psi Dimensions: Length 64mm, Width 24mm Weight: 102g Features: Automatic Flame Regulation: The gas pressure adjustment valve automatically adjusts the flame height relative to the boiler pressure, maintaining optimal performance. Efficient Operation: When running the engine slowly, the boiler pressure remains stable, and a consistently small burner flame is maintained. Versatile Use: Suitable for all gas-heated steam engines, making it a versatile addition to your steam engine setup. Durable Construction: Built to last with high-quality materials, ensuring reliable and long-lasting performance. Package Includes: 1 x EngineXpert P5 Steam Controlled Gas Regulator