Description
The McDonnell & Miller 21-30 (part 311200) is a replacement float for Series 21 and 221 make-up water feeders.
- Model: 21-30
- Part number: 311200
- Float-operated water-level sensing component
Our combustion & controls team is ready to help
The McDonnell & Miller 21-30 (part 311200) is a replacement float for Series 21 and 221 make-up water feeders.
For emergencies, outside of business hours, call #901-604-7069