The Reznor 136736 is a critical safety component engineered for precise temperature monitoring in commercial and industrial HVAC systems

reducing carbon monoxide risk and improving heat transfer

automotive auxiliary systems

It functions by converting a low-voltage signal from the thermostat control into a timed sequence of high-voltage loads

This is a single-timing heat sequencer

Heil Quaker ICP 1009980 Ignitor Els PW 17895 The Reznor 136736 is aThe Heil Quaker ICP 1009980 Ignitor is a heavy duty Norton Hot Surface Ignitor (HSI) engineered for a wide array of gas fired 120V heating systems. This genuine OEM furnace igniter is constructed from high purity recrystallized silicon carbide, specifically designed to reach ignition temperatures in approximately 17 seconds. As an essential Heil furnace replacement part, the 1009980 ensures consistent HVAC ignition by maintaining a stable electrical