Pneumatic Thermostats & Switches

Explore an assortment of pneumatic controls at F.W. Webb. A pneumatic thermostat connects to an HVCA/R system to help control the hot and cold temperatures. Use our helpful filters to sort pneumatic switches and relays by size and material. Browse top-quality pneumatic controls from trusted makers, including Honeywell Commercial, Johnson Controls, and Barber Colman, to find the right fit for an existing unit.

Frequently Asked Questions

What is a pneumatic thermostat?

A pneumatic thermostat uses air pressure to monitor the heating and cooling temperatures in older facilities with an existing system, including commercial buildings, hospitals, and schools.

What is a pneumatic switch used for?

A pneumatic switch uses air to activate devices, including public toilets, spas, gyms, and hospital beds.