This DVD covers the basic theory of how different types of pneumatic thermostat functions. The following thermostats are demonstrated in the video showing how to clean and calibrate them: T-400 direct acting heating, T-432 heating/cooling, T-460 day/night, T-4002 direct acting heating, T-4002 reverse acting cooling, T-4502 day/night, T-4512 3-pipe day/night, T-4752 heating/cooling, T-4054 H/C dead band.

Format:	DVD
Length:	31 minutes