As a critical firing component

it keeps the fan running to cool the heat exchanger while blocking the gas valve for safety

With a Full Load Amperage (FLA) of 1

7µA) without breaking the circuit

Heil Quaker ICP 1178085 Blower Wheel 321894-708 As a critical firing componentThe Heil Quaker ICP 1178085 Blower Wheel is a critical OEM replacement part designed for high performance air delivery in ICP, Heil, and Tempstar packaged units. This 10x10 blower wheel features a 5 8" bore and is engineered to maintain precise static pressure balance within your furnace or air handler. Constructed from galvanized steel, this double inlet blower wheel is built to withstand high speed rotations without the blade deformation often seen