Armstrong 56W19 Furnace Ignition ControlFurnace Ignition Control designed to deliver quick, reliable startup for your heating system. The Armstrong 56W19 Furnace Ignition Control provides precise ignition timing and safe operation for a wide range of furnaces, making it a trusted replacement part for OEM needs. This control module is engineered for residential and light commercial use, helping to shorten cycle times, reduce gas waste, and maintain dependable winter comfort. Its compact

Pressure ratings: 2 PSI (liquid propane)

By measuring enthalpy—the combined effect of temperature and humidity—the sensor helps optimize cooling

IP67 rated for rugged commercial environments

improving safety and reliability

Function: Solenoid Valve Coil

Frame Size: NEMA 48M

84 inch diameter x 32 inch length rod to fit standard tanks

Durable construction built for long-lasting performance and reliable service

non-programmable mechanical thermostat designed for reliable heating and cooling control in residential or light commercial settings

The 3/4 inch nominal size and threaded x threaded end connections simplify installation with standard piping

5 in D × 2

supporting predictable operation