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Secure Flare Fitting: 1/4" flare connection provides a robust mechanical seal against high-pressure refrigerants
Enhanced System Safety: Accurately monitors negative pressure to prevent hazardous operation during venting failures or inducer blockages
Direct Compatibility: Engineered as a drop-in SmartX actuator replacement for the discontinued M123A01 series
An open circuit during normal temperature conditions signifies that the overload protector requires replacement
Technicians usually see ignition failure or short-cycling followed by a flame detection error (fault code F4)
Heil Quaker ICP 1183599 Circuit Board 326070-701 Secure Flare Fitting: 1/4" flareThe Heil Quaker ICP 1183599 Circuit Board is a critical OEM replacement part designed for high performance furnace control across several International Comfort Products brands, including Tempstar, Arcoaire, Comfortmaker, and KeepRite. Engineered to handle a 24 VAC input at 60Hz, this integrated furnace control manages the ignition sequence, blower motor timing, and safety circuit monitoring. Technical specifications confirm it replaces legacy part