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featuring a 4-inch diameter and a 1-3/4 inch width to maintain precise airflow requirements within the combustion assembly
Reduces the risk of boiler condensation by providing reliable inlet temperature readings
Its 80mm shaft grounding solution ensures a precision fit for IEC or NEMA frame motors
By integrating this 480V monitoring relay into your control circuit
5 feet of aluminum tubing
Aprilaire 4410 Sensor Assembly 321702-401 featuring a 4-inch diameter andThe Aprilaire 4410 Sensor Assembly is a critical genuine OEM replacement part designed specifically for the Aprilaire Model 400, 400A, and 400M humidifier series. This Water Level Sensor Assembly operates using two high precision magnetic reed switches wired in series to monitor the positioning of internal floats. When the water level in the sump drops, the floats descend, closing the switches and triggering the water solenoid valve to replenish the