مفتاح ضغط مروحة الشفط R-30/3 De Dietrich JJR122161050

The extraction fan pressure switch R-30/3 is a specialized component for monitoring fan operation in heating systems. It detects pressure changes to ensure the extraction fan is working correctly, preventing issues like incomplete combustion or gas buildup. This switch is ideal for use in boiler maintenance and repair, offering dependable performance for safety-critical applications.