Aprilaire 4218 Distribution Tray 321894-709 While it can be integrated

While it can be integrated into 3 or 4-wire bridge circuits by jumping the leads at the transmitter

Engineering a reliable repair starts with OEM HVAC replacement parts that can withstand the thermal stress of continuous heating cycles

Standardized Pad Mount: The robust mounting plate simplifies installation in tight control cabinets

By utilizing this factory-specified heater component

Aprilaire 4218 Distribution Tray 321894-709 While it can be integratedThe Aprilaire 4218 Distribution Tray is a critical internal component designed specifically for the Aprilaire 500 series humidifier, including models 500, 500A, and 500M. This genuine Aprilaire humidifier part plays a vital role in maintaining peak HVAC humidity control by ensuring water is evenly dispersed across the water panel. Constructed from durable, heat resistant plastic, the Aprilaire 4218 features a calibrated design that prevents dry spots