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: TP-910A direct acting heating, TP-910B reverse acting cooling, TP-911A direct acting day/night, TP-911C 3-pipe day/night, TP-913A summer/winter, TP-970A direct acting heating, TP-971A direct acting day/night, TP-971C 3-pipe day/night, TP-978A heating/cooling dead band

Format:	DVD
Length:	32 minutes