Versatile Integration: Works reliably with a wide range of liquid level control relays for automated pump-up/pump-down logic

including RN and RQ series units

the 50DK500066 is a direct fit for several Carrier RTU models

Common Questions: What boiler models is this sensor compatible with

Auburn E5-FRS-3 Ignitor THPU32HP7Y Versatile Integration: Works reliably withThe Auburn E5 FRS 3 Ignitor is a high performance industrial spark plug and ignition electrode designed for reliable thermal processing and burner management systems. As the recognized Auburn E5 FRS 3 direct cross of 27732, this component ensures precise ignition sequences in commercial HVACR and industrial furnace applications. Constructed with a high grade alumina ceramic insulator and a robust 3 inch FRS type electrode, the E5 FRS 3 excels at