Precision Heat Management: Regulates output power from low to high detents with a calibrated 5% input at the low setting for simmering operations

Its UL Listed housing ensures safety and durability in demanding mechanical rooms

Equipped with 1/4-inch quick-connect terminals

it ensures a secure fit on standard motor shafts

McDonnell & Miller 144691 Harness Precision Heat Management: Regulates outputThe McDonnell & Miller 144691, also identified as the UWH RB 24 L, is a universal wiring harness engineered specifically for the RB 24E L residential low water cut off. This replacement harness cable provides the essential interface for connecting the RB 24 LWCO to boilers equipped with burner control panel connections. Designed for rapid integration in 24V burner circuits, the UWH RB 24 L eliminates the need for complex field wiring, ensuring a