or the motor "humming" without starting

the gasket loses its ability to reseal effectively

making it an essential item for any direct vent furnace repair kit

Direct Replacement Logic: Effectively replaces the discontinued DMPR-RS201 without requiring hardware modifications

This petroleum-based paste flux is specifically engineered with industrial-strength wetting agents that effectively lower surface tension

Reznor 125401 Sensor Lead Assembly or the motor "humming" withoutThe Reznor 125401 Sensor Lead Assembly is a critical OEM component designed for precise signal transmission between the flame sensor and the integrated ignition control board. Engineered for high temperature environments typical of industrial gas fired unit heaters, this lead wire assembly ensures minimal impedance and consistent continuity to prevent nuisance drop outs or ignition failure. When troubleshooting a Reznor unit heater that fails to