Schneider Electric (Barber Colman) TK-4212 Heating-Cooling Unitary Averaging Bulb Thermostat w/ 3' Capillary

For proportional temperature control of pneumatic valves and actuators to maintain discharge temperature of reheat systems and sampling chamber or return air temperature of terminal units and as a proportional low limit thermostat.

Features

• Proportional, two-pipe nozzle and flapper design
• One-pipe model available for use as low-limit controller
• Adjustable throttling range
• Straight, coiled or averaging liquid-filled sensing elements
• Rugged design
• Direct Acting or DA/RA models available.
• Averaging Bulb: 3/32" x 54"