Drop-in Replacement: Directly replaces obsolete part numbers 1171826 and 1172574 without modification

swapping a fouled pilot with a genuine Rheem furnace pilot assembly is the standard for maintaining manifold pressure integrity and safe startup cycles

This sensor provides continuous feedback on the damper's exact position to the building management system

provided the linkage kit is properly aligned to avoid side-loading the actuator bearings

Durable Construction: Built to withstand the high-temperature environment of the burner tray without warping or degrading

Johnson Controls D-251-6003 Diaphragm 30067439-890 Drop-in Replacement: Directly replaces obsoleteThe Johnson Controls D 251 6003 is a high performance replacement diaphragm specifically engineered for pneumatic actuator maintenance and repair. As a genuine Number 4 actuator part, this single piece diaphragm ensures a positive seal and consistent pressure response in critical HVAC and industrial machinery control systems. Designed for field service by veteran technicians, the D 251 6003 provides the necessary flexibility to regulate fluid or gas