Maxitrol M411B9 Plunger this probe offers a reliable

this probe offers a reliable solution for maintaining the 200°F setpoint consistency required in professional environments

Moisture-Resistant Construction: Specifically designed for low load HVAC applications where environmental protection is required

vibration-resistant friction fit that simplifies field installations during routine maintenance or emergency repairs

Why choose an OEM gasket over high-temp silicone

making them interchangeable for servicing Trane and American Standard equipment

Maxitrol M411B9 Plunger this probe offers a reliableThe 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