Description
The McDonnell & Miller Model 69 Minipeeper Ultraviolet Flame Detector is a compact, reliable UV sensing device engineered for use on coal, gas, and oil fired burners. Designed to detect the presence or absence of a flame via ultraviolet light sensing, the Model 69 integrates seamlessly into burner management and flame safeguard systems to help ensure safe, efficient combustion operations.
The Minipeeper’s rugged construction and straightforward mounting design make it a go-to choice for commercial and industrial heating applications. It mounts directly onto a 1/2-inch sighting pipe using an integral collar, allowing for precise alignment with the burner flame and a secure, stable installation.
Key Features
- Ultraviolet (UV) flame detection technology suitable for coal, gas, and oil fired burners
- 96-inch (8-foot) lead length for flexible wiring and installation reach
- Ambient temperature range: 0°F to 215°F for reliable performance in demanding environments
- Mounts on 1/2-inch sighting pipe using an integral collar for easy, secure installation
- Compact “Minipeeper” form factor designed for tight or space-constrained burner applications
- Compatible with standard flame safeguard control systems
Specifications
- Model: 69 (Minipeeper)
- Flame Detection Method: Ultraviolet (UV)
- Compatible Fuel Types: Coal, Gas, Oil
- Lead Length: 96 inches
- Ambient Temperature Range: 0°F to 215°F
- Sighting Pipe Size: 1/2 inch
- Mounting: Integral collar on 1/2-inch sighting pipe
- Brand: McDonnell & Miller (Xylem)
- SKU: 69
Applications
- Commercial and industrial boiler burner systems
- Coal, gas, and oil fired burner flame monitoring
- Flame safeguard and burner management control systems
- Replacement or upgrade of existing UV flame detectors on 1/2-inch sighting pipes







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