Dwyer Instruments 530 Switch 320074-702 the VM2211 maintains tight shut-off

the VM2211 maintains tight shut-off integrity

Includes Universal Mounting Bracket

Durable Polymer Construction: Designed to withstand the thermal stress and acidic environment of a condensing heating cycle without warping

Optimized Flow: High 5

Compact Enclosure Integration: The 45mm width allows for high-density mounting in standard electrical cabinets and control skids

Dwyer Instruments 530 Switch 320074-702 the VM2211 maintains tight shut-offThe Dwyer Instruments 530 Switch is a technician grade air flow switch engineered for precision monitoring in HVAC R duct work. This vane operated flow switch features a rugged die cast zinc body and a stainless steel vane designed for durability and long term sensitivity. It is field adjustable from 400 to 1600 FPM, allowing for precise set point calibration in various system configurations. The integrated SPDT snap switch provides reliable signaling