Does this unit require a restricted air supply

Built to handle 3-phase power

or visible cracks and heavy carbon buildup on the electrodes

reducing callbacks for switch failure

the S1-2940A3541 is sized specifically for the original control load

Heil Quaker ICP 1186428 Motor 321894-709 Does this unit require aThe Heil Quaker ICP 1186428 Motor is a high efficiency 1 2 HP ECM blower motor designed for precise air volume control in residential and commercial air handling units. As an OEM replacement motor, this assembly ensures direct compatibility with International Comfort Products (ICP) equipment, including Heil, Tempstar, and Comfortmaker furnaces. This electronically commutated motor operates at 1050 RPM on 115 120V power, utilizing advanced electronic