Description
Xylem-McDonnell & Miller 302900 Replacement Cam (CO-106)
The Xylem-McDonnell & Miller 302900 is a genuine OEM replacement cam designed specifically for use with the 47, 51, 53, and 63 Series low water cutoff and pump controllers. Keeping your low water cutoff operating reliably is critical to boiler safety, and using authentic factory replacement components ensures proper function, precise switching action, and long service life.
Key Features
- Genuine OEM McDonnell & Miller replacement cam
- Model Number: CO-106
- Compatible with 47, 51, 53, and 63 Series low water cutoffs and pump controllers
- Ensures accurate cam-actuated switching for reliable low water cutoff operation
- Designed for direct drop-in replacement — no modification required
- Manufactured to original factory specifications for consistent performance
- Supports proper boiler protection and pump control sequencing
Compatible Series
- McDonnell & Miller Series 47
- McDonnell & Miller Series 51
- McDonnell & Miller Series 53
- McDonnell & Miller Series 63
Why Choose Genuine OEM Parts?
Using genuine Xylem-McDonnell & Miller replacement components helps maintain the integrity of your low water cutoff assembly. Aftermarket substitutes may not meet the precise dimensional and material tolerances required for safe, reliable boiler operation. The CO-106 cam is engineered to restore your unit to factory performance standards, minimizing downtime and protecting your boiler investment.







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