The Robertshaw 2374-510 is an Air Pressure Switch with a field adjustable set point range of 0.10” WC to 10.0” WC.  This type of pressure switch can sense positive, negative, or differential air pressure which makes the switch ideal for various applications in residential and commercial industries.

The unit consists of an integral snap-acting switch and can be quickly plugged with three male 90° quick-connect terminals.  It also has a sensing diaphragm and a housing made of glass-filled polycarbonate.  

When installing the unit, make sure to mount it in a vibration-free area and sample line connections should not be in an upward position.  Together with your air pressure switch, you can add to your purchase the 10-650 Sensing Probe Kit for sampling.

The 2374-510 includes the following: