The NS2 Switch has a glass‑filled polycarbonate housing containing a sensing diaphragm and an integral snap‑acting switch with three male 90 degree quick‑connect terminals. The switch can sense positive, negative or differential air pressure. The field adjustable set point range of the switch is 0.10 in W.C. to 10.0 in W.C. Using the switch accessories contained in this kit, the NS2 switch can be applied to a wide variety of residential and light commercial HVAC applications.
