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this specific expansion valve is factory-charged and calibrated strictly for 4-ton R-410A refrigerant systems
the Schneider Electric MA-305 is the direct spec-for-spec replacement for the ADDB-1 and all MA-305-0-0-X variants
Does this motor include the cooling fan or gasket
eliminating the noise often associated with older spark-based systems
Heil Quaker ICP 1171432 Exhaust Regulator 318172-701 this specific expansion valve isThe Heil Quaker ICP 1171432 Exhaust Regulator is a critical OEM replacement component designed for International Comfort Products (ICP) packaged gas and electric units. As a veteran grade HVAC replacement part, this regulator is engineered to meet precise burn pipe pressure and exhaust flow specifications, ensuring optimal combustion efficiency and furnace troubleshooting reliability. This 1171432 model functions as a technical flame regulator,