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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
"hunting" or fluctuating inducer speeds
As a direct 8402-048 replacement
the unit ensures safe
By utilizing authentic Aprilaire humidifier parts
Thermal Protection: Internal automatic reset thermal overload protection prevents winding failure during restricted airflow conditions
MDI Mercury Displacement 230NO-220AU Contactor R-407C "hunting" or fluctuating inducer speedsFor industrial HVACR loads and heavy duty motor control, the MDI 230NO 220AU Contactor remains a field proven solution where reliability is non negotiable. This 2 pole mercury displacement contactor is engineered for high cycle applications, featuring normally open (NO) contacts rated for 30 Amps at 208 240VAC. Unlike standard definite purpose contactors, the liquid mercury contact interface ensures a low 0. 003 ohms contact resistance and helps