Heil Quaker ICP 1088977 Control Board 30067439-890 As a normally open regulator

As a normally open regulator

this valve ensures 100% shut-off of gas to the pilot burner if the flame is extinguished and the thermocouple output drops

the VG7243ST features a standard threaded stem that is compatible with both Johnson Controls VA-series electric actuators and MP8000 series pneumatic actuators

protecting the heat exchanger from localized hot spots

Heil Quaker ICP 1088977 Control Board 30067439-890 As a normally open regulatorAs a seasoned technician, you know that intermittent blower issues often trace back to the Heil Quaker ICP 1088977 Control Board. This genuine OEM HVAC replacement part is critical for precise fan motor speed control, regulating the air handler or furnace blower to maintain specific CFM requirements across heating and cooling cycles. Also identified by part number HQ1088977A1, this board serves as a direct drop in for a wide range of International