Leak tightness control device LDU 11.523 A27 Siemens (L+G) Intercal 88.70215-0040

Leak tightness control device LDU 11.523 A27 Siemens (L+G) is designed for automatic leak testing of gas valves in heating systems and burner devices. Model A27 operates on AC mains and provides reliable leak control before ignition. Used in boiler plants of various capacities where increased safety is required. The device is easy to install and compatible with most gas valves. Used in service and repair of boiler equipment.