The Carrier HN61KK041 Low Pressure Relay is a specialized 3-pole pilot duty component engineered for precise monitoring of low pressure thresholds in commercial and residential HVACR systems

the threaded nut ensures a secure fit into the thermopile bracket

35A threshold for consistent contact closure

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

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

McDonnell & Miller 144691 Harness The Carrier HN61KK041 Low PressureThe 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