The Zonefirst ZDS-16X10 is a heavy-duty 16WX10H Parallel 24V 2-Pos S/R rectangular zone damper designed for reliable airflow management in residential and commercial forced-air systems

common symptoms include a continuous blower fan operation or the system cutting out before meeting the thermostat setpoint

this unit ensures seamless mechanical and electrical compatibility

Does this unit work with ammonia (R717)

or TF series

Johnson Controls VA-4233-BGA-2 Valve Actuator Els PW 29614 The Zonefirst ZDS-16X10 is aJohnson Controls VA 4233 BGA 2 24Vac, 24Vdc, Two Position, Min 61 lb in Torque, 76 second travel time, Max 29 32" Stroke, 48" Cable with Wire Leads, Spring Return Stem Up Direct Coupled Globe Valve Actuator