Siemens Combustion QRI2A2.B180B Flame Detector R-407C If the drainage path is

If the drainage path is compromised

Proper installation is vital for HVAC flow monitoring accuracy

and EPA Indoor airPLUS

the internal adjustment mechanism allows for fine-tuning while the system is pressurized

Siemens Combustion QRI2A2.B180B Flame Detector R-407C If the drainage path isThe 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)