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the Lennox 89M5801 and 89M58 are the same technical part
the internal adjustment mechanism allows for fine-tuning while the system is pressurized
Proper installation is vital for HVAC flow monitoring accuracy
116475-132
Siemens Combustion QRI2A2.B180B Flame Detector R-407C the Lennox 89M5801 and 89M58The Siemens Combustion QRI2A2. B180B Flame Detector is a high precision infrared (IR) sensor specifically engineered for the supervision of gas, oil, and other hydrocarbon flames that emit infrared light. Designed for industrial and commercial burner applications, this infrared flame detector features advanced electronic self supervision, making it ideal for systems in continuous or intermittent operation. The frontal illumination (forward viewing)
