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Efficient Installation: Standard 6-tube configuration allows for a direct-drop replacement
the internal electromagnet in the valve may be faulty
25 kW high-capacity OEM replacement designed for precision heat transfer in residential and light commercial air handlers and electric furnaces
maintaining the integrity of the original factory specifications
it is highly recommended to use the fixed OEM SWT2515 to ensure the system trips at the exact pressure mandated by the design
Zonefirst ZDB-12X12 12HX12W Parallel 24V 2-Pos S/R R-410A Efficient Installation: Standard 6-tube configurationThe Zonefirst ZDB 12X12 is a professional grade 12x12 zone damper engineered for robust airflow management in residential and light commercial HVACR systems. Built with a heavy duty extruded aluminum frame and 3 inch parallel blades, this bottom mount zone damper features a 24V spring return motor that ensures fail safe operation by defaulting to the open position during power loss. The low voltage HVAC actuator utilizes a synchronous hysteresis
