Flange QRB 3 4186 8806 0 Siemens (L+G)

Flange QRB 3 4186 8806 0 Siemens (L+G) is a mounting element for flame photosensors of the QRB 3 series used in burner automation systems. It provides reliable fixation of the sensor and a tight connection to the equipment body, preventing ingress of dust and gases. The flange is made of heat-resistant metal resistant to corrosion. This spare part is necessary when replacing or installing a photosensor during repair of boiler equipment. Precise geometry and manufacturing quality guarantee compatibility with original Siemens components. Widely used by service engineers in burner maintenance.