Johnson Controls now offers a series of pneumatic-to-digital thermostats. The WT-4000 series converts older pneumatic room control HVAC construction systems and enables communication with newer ...

Johnson Controls has released a new series of thermostats, the WT-4000, which converts older pneumatic room control systems, allowing buildings with older control systems enter the digital space. The ...

Unlock to see our ratings and compare products side by side The ease of manually controlling the thermostat's temperature set-point, heating/cooling schedule, home/away and vacation features - when ...

An electronic retrofit for pneumatically controlled heating and cooling systems shows how to bring old buildings into the 21st century. In the last decade or so, owners of commercial buildings have ...