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For side-mount requirements
The brass body construction provides structural integrity
Double Shaft Design: Specifically configured to drive dual centrifugal wheels
Vibration Resistance: Designed to withstand the mechanical stresses and thermal expansion common in condenser and evaporator line sets
Dwyer Instruments 1640-0 Switch 318423-701 For side-mount requirementsThe Dwyer Instruments 1640 0 Switch is a high precision differential pressure switch engineered for specialized HVACR applications requiring floating contact null switch logic. Unlike standard snap acting switches, the 1640 series utilizes a single pole double throw (SPDT) floating contact design to provide two distinct actuation pointshigh and lowwith a defined "null" zone in between. This makes it an ideal solution for motorized damper control and
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