21s4 de serpentins De Dietrich 7717099

The coil 21s4 is an electromagnetic component commonly used in gas burner systems to control gas valves or other actuators. This coil converts electrical energy into mechanical motion, enabling precise control of fuel flow for efficient combustion. Whether you are repairing a burner or performing routine maintenance, this coil 21s4 is a reliable replacement part. It is designed to meet the demands of heating equipment, ensuring consistent performance and long service life.