Zonefirst ZDS-16X10 16WX10H Parallel 24V 2-Pos S/R 30067439-890 Always verify the wiring diagram

Always verify the wiring diagram to ensure proper terminal alignment for M1-M2 and M3-M4 circuits

utilizing this genuine in-line drain assembly ensures the condensing furnace drainage meets original manufacturer specs

this switch is mounted on the side of the burner box or near the manifold to monitor for escaping flames or excessive radiant heat

while the normally closed side supports 50 Amps continuous and 100 Amps inrush

60VA residential and commercial control component designed to step down 200/230V primary voltage to a stable 24V secondary output

Zonefirst ZDS-16X10 16WX10H Parallel 24V 2-Pos S/R 30067439-890 Always verify the wiring diagramThe 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. Constructed from extruded aluminum with 3 inch parallel blades, this side mount unit is engineered for low resistance operation and longevity in high demand environments. The damper utilizes a 24V spring return actuator, providing a fail safe "power close, spring open"