The Heil Quaker ICP 1173829 Ignitor is a critical OEM replacement part designed for high-efficiency gas furnaces and heating systems

Simplified Installation: Standard 3-wire or 4-wire hardwired setup fits existing wall-mount footprints (4

Rugged Aluminum Casting: Industrial-grade housing resists environmental corrosion and operational heat cycles

This model is designed for single or two-speed fan control

Overpressure Protection: Built-in IRV eliminates the need for external relief valves in most standard residential configurations

Johnson Controls P72AA-18 Pressure Control Els PW 29614 The Heil Quaker ICP 1173829Dual Pressure Control, DPST Switch Only, 3 4" Conduit Opening, 12" to 50 Psi, Nema 1 Enclosure, No Adjustment Knob, Amoonia Use P72AA 18 is identical to P72AA 18C