Replacing it with a fresh 20J90 spark ignitor restores the high-energy arc required for gas ignition

Durable Construction: Features a die-cast aluminum body and cold-rolled steel cover for long-term service in mechanical rooms

and cover)

For technicians servicing high-capacity unit heaters

Quiet Operation: The absence of complex internal suction and discharge valves results in lower decibel levels and reduced vibration

Johnson Controls V47AA-2 Valve 30067439-890 Replacing it with a freshThe Johnson Controls V47AA 2 Valve is a 3 8" NPT temperature actuated water regulating valve engineered for direct acting flow control in demanding hydronic and cooling applications. Built with a rugged cast brass body, this valve is designed to open specifically on a temperature increase at the bulb. It features a broad heating point range of 160 to 230 degrees F, making it a reliable solution for maintaining precise thermal setpoints. The assembly