McDonnell & Miller 194-A Controller Els PW 29614 Does this tool require external

Does this tool require external power

As an OEM-spec component

This valve is typically found in Trane and American Standard furnaces requiring a 24V input and 3

Key Benefits OEM Precision: Direct replacement ensures proper static pressure and airflow ratings for specific Rheem-Ruud furnace models

McDonnell & Miller 194-A Controller Els PW 29614 Does this tool require externalThe McDonnell & Miller 194 A is a heavy duty combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler applications. Engineered for systems with a maximum steam pressure of 250 PSI, this unit features dual snap acting SPDT switches to ensure precise boiler water level control and reliable low water protection. The 194 A series is often selected by technicians for high pressure environments where