McDonnell & Miller FS4-3RP-T Switch Refrigerant a full Lennox flame sensor

a full Lennox flame sensor replacement is the professional standard

OEM Compatibility: Exact replacement for Amana B1360719 and Goodman 0130R00058 ensures correct fit and electrical calibration

To maintain the integrity of the carbide heating element

structurally sound enclosure for the blower wheel and motor assembly

McDonnell & Miller FS4-3RP-T Switch Refrigerant a full Lennox flame sensorThe McDonnell & Miller FS4 3RP T (Part #114639) is a standard setting liquid flow switch engineered for heavy duty service in commercial HVAC and hydronic systems. This paddle flow switch features a 1" NPT connection and is designed to provide reliable equipment protection in chilled water, boiler, and process applications. Equipped with high sensitivity SPDT switch contacts, it seamlessly integrates into control circuits to cycle pumps, fire alarms,