Heil Quaker ICP 1177661 Control Module 30067439-890 What is the difference between

What is the difference between the Synchronous and Quartz models

and VR8200C2205

Broad Pressure Range: Effectively manages condensing pressures across a 70-260 psig spectrum

allowing for flexible mounting onto existing brackets or custom structural supports already in place within the HVAC housing

Heil Quaker ICP 1177661 Control Module 30067439-890 What is the difference betweenThe Heil Quaker ICP 1177661 Control Module is a critical integrated furnace control board designed for high efficiency direct spark ignition (DSI) and hot surface ignition (HSI) systems within ICP heating equipment. Engineered to manage the blower motor, inducer, and gas valve sequencing, this direct replacement control board ensures precise flame sensing and safety lockout protocols. As a drop in OEM furnace control module, it matches the electrical