McDonnell & Miller 101A Water Feeder R-410A As a direct replacement for

As a direct replacement for discontinued models like the 511-044-258

Multi-Speed Flexibility: Features 3-speeds to dial in appropriate airflow for heating or cooling cycles

This model utilizes Class F insulation

or a diagnostic code indicating a limit switch lockout due to broken or grounded coils

and improved system pulldown

McDonnell & Miller 101A Water Feeder R-410A As a direct replacement forFor service professionals managing residential or light commercial low pressure steam systems, the McDonnell & Miller 101A (Part Number 169400) remains a staple for automated level control. This 120Vac electric water feeder is specifically engineered for cold water feed applications, eliminating the need for manual monitoring and adding water to the boiler. Designed with a heavy duty solenoid, this unit handles a 150 PSI maximum water supply pressure