Engineered with a ruggedized NEMA 4/IP65 enclosure

Bimetal connectors simplify the brazing process

Key Benefits Corrosion Resistance: All-stainless steel construction with a hardened disc and seating surface resists chemical attack and wire-drawing

it ensures stable combustion and optimal thermal efficiency for demanding hydronic systems

Technicians typically observe high discharge pressure

Aprilaire 4410 Sensor Assembly 326070-701 Engineered with a ruggedized NEMAThe 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