Armstrong 49W66 Furnace Direct Spark Ignition ControlArmstrong 49W66 Furnace Direct Spark Ignition Control delivers reliable performance for your heating system. This direct spark ignition control powers your furnace with a 24 Volt AC supply and uses a Rajah transformer for a strong, consistent spark every cycle. With an 8 second ignition trial time and a 30 second prepurge, it ensures safe, efficient startup across a wide operating range, even in extreme temperatures ( 40 to 176 deg F). Built as a

The unit includes a built-in Fill-Trol valve

Replacement part that matches Armstrong R47363-001 specifications

Easy installation with standard connections and mounting points

flow coefficient 2

pilot-operated device designed for steam and hot water service

Core design: Ferromagnetic with Mid Point Ground

Amtrol 109-1 is a dependable Fill-Trol Tank featuring a 1/2" NPTF connection

easy-to-install ignition kit designed for natural gas furnace applications

Compatible with most electrical boxes and wiring configurations

helping prevent air locks and improve efficiency

Fuel oil capacity supports up to 300 PSI and 16 GPH flow

and industrial equipment