ANDREW PM PETRIDES & SONS LTD
Siemens QRB1 Flame Sensor
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Photo resistive detectors for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum.
The QRB photocells are used primarily in connection with oil burner controls in intermittent operation, and will shut off the supply of oil if it were to go out.
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Siemens QRB1 Flame Sensor
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