https://www.johnsoncontrols.com/building-automation-and-controls/hvac-controls/thermostats/wtl-series
WTL Series Digital Pneumatic Thermostats | Johnson Controls
Digitally control your pneumatics affordably with WTL Series Pneumatic Thermostats.
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https://www.mcmaster.com/pneumatic-thermostats
Pneumatic Thermostats | McMaster-Carr
Choose from our selection of pneumatic thermostats, including direct-action air-powered thermostats, reverse-action air-powered thermostats, and more. In stock...
pneumatic thermostatsmcmastercarr