M4185B1009 | Honeywell Modutrol IV Spring Return Motor 120VDescription The Honeywell M4185B1009 is a Modutrol IV spring return motor engineered for two position control of dampers and valves in HVAC systems. It operates on 120V AC at 50 60 Hz, provides 60 lb in torque, and features an adjustable stroke from 90 to 160, delivering durable, precise control performance with a built in transformer and one auxiliary switch. Technical Specifications Condition New Never Used Surplus Brand Honeywell Category HVAC