Honeywell Home Foot Mounted Damper Actuator, 20 in-lb, Spring Return,Two Position, 1 Auxiliary Switch, 24V for 40 and 80 Series Circuits

Honeywell Home M836A1042 SR Actuator, 20 lb-in, Two Position, 1 Auxiliary Switch, 24V. This Spring return motor is for two-position back draft, outdoor air changeover, zone, or minimum position damper control.

A 2-wire, line voltage thermostat or other line voltage, spst controller must be used to control the M436A. A 24V spst controller or thermostat without heat anticipation is required to operate the M836A. Each damper motor is supplied with a shaft coupling assembly
and a crank arm assembly. With these accessories the motor shaft may be connected to the damper shaft directly or through a linkage.

Features:
Motors provide two-position zone control.
Used to operate outdoor air dampers for combustion or makeup air, changeover dampers for heating and cooling systems, minimum position dampers for ventilation and similar applications.
Damper motors have an internal spdt switch for controlling auxiliary equipment, additional motors, or to provide a burner interlock switch.
M436 Damper Motors require 120 or 240 Vac, 60 Hz power; M836 Damper Motors require 24 Vac, 60 Hz power.
All models are supplied with a case and cover.
Spring returns motor to start position in event of power interruption or failure.
Hexagonal output shafts on both ends of motor with rotational direction stamped on motor case.
M436A and M836A equipped with thermal breaker for overload protection during lifting stroke or when motor stalls.
M836A Damper Motor with 128499 Bracket directly replaces M87A Damper Motor.