It is easily distinguished from the ignitor by its single-wire connection and thinner rod profile

What systems use the Hankison 7419309

Is this sensor compatible with direct spark ignition

specifically the C

which drive internal temperatures toward the 300°F safety limit

Johnson Controls VA-8122-1 Valve Actuator 30067439-890 It is easily distinguished fromThe Johnson Controls VA 8122 1 Valve Actuator is a professional grade synchronous motor driven actuator designed for precise proportional control in HVAC hydronic systems. This non spring return actuator is engineered to provide accurate incremental positioning for valves in commercial air handling units and fan coil applications. Operating on 24 VAC or VDC, it delivers a consistent 22 lb shutoff force (98 N), ensuring reliable flow regulation and