مفتاح مسودة مزود بثرموستات من De Dietrich 721397900

This draft switch with thermostat monitors flue gas flow and temperature, providing safety control for your boiler. It automatically shuts down the burner if draft conditions are unsafe, preventing backdraft and potential hazards. As an essential heating equipment component, it ensures compliance with safety standards and protects your system. Perfect for boiler spare parts replacement during maintenance.