Corrosion Resistance: High copper content ensures long-term reliability in harsh environments and exposure to various refrigerants

ensuring the reliable operation of the pressure switch and facilitating proper combustion airflow

audible clicking sounds during operation

This switch is specifically calibrated for Lochinvar and A

The sensors are designed to operate efficiently on a DC power supply ranging from 12Vdc to a maximum of 40Vdc

Zonefirst ZDS-30X8 30WX8H Parallel 24V 2-Pos S/R 30067439-890 Corrosion Resistance: High copper contentThe Zonefirst ZDS 30X8 is a professional grade HVAC zone damper engineered for side mount applications in rectangular ductwork. Featuring a parallel blade design, this 30"W x 8"H unit utilizes a 24V motor that operates in a 2 position power close, spring return configuration. Built with a sturdy extruded aluminum frame, the ZDS 30X8 ensures silent operation with its 3 inch blades pivoting on self lubricating bushings. This spring return damper is