The Heil Quaker ICP 1013104 Limit Switch is a critical furnace roll-out switch engineered for International Comfort Products (ICP) heating systems

Precise Fitment: Engineered specifically for Goodman and Amana gas furnaces to convert square heat exchanger outlets to round chimney pipe

ensuring consistent performance even during line voltage fluctuations

Techs rely on its 1/4-inch male quick-connect terminals for fast field installation and its broad operating temperature range of -40°C to +70°C

Maxitrol M411B9 Plunger The Heil Quaker ICP 1013104The Maxitrol M411B9 is a high precision modulator head plunger engineered specifically for the MR212 series of gas pressure regulators and modulating valves. Within the Selectra electronic gas flame modulation system, this plunger acts as the critical mechanical interface between the electrical solenoid signal and the gas flow regulation. When the amplifier applies DC voltage (typically ranging from 10 to 13 Volts DC on MR212 models), the resulting