VDM10B 2-wire Spring return damper actuator motor is designed to be compatible with and drop-in replacement for following models: Honeywell's M847D, M847D1004, and old ARD and ZD series of damper motors. DuroZone #35105 damper Motor. Zone First, EWC, and Erie, and other 2-wire damper actuators.
Most reliable and trusted choice on Amazon since 2013. Well tested, no-hassle installation, most popular purchases by home owners as well as contractors. Longest 3-Year Warranty available online.
Extra unique feature: Adjustable operating angle 60 to 90 degrees, allowing partial close (air bleed when necessary). To be Used in either HVAC air ducts, or venting installations.
Tested to last 15+ years. Heavy-duty motor with all METAL gears inside, stainless steel housing.
Input Power: 24 VAC, 50/60 Hz. Direct coupling to 5/16" damper shaft. Comes with detailed installation manual.
Description
Valemo VDM10B, 24 VAC General Purpose Spring Return Damper Motor Actuator , Replace Honeywell M847D & other damper Actuators (see more below), with adjustable stopper.