Johnson Controls T-3111 Integral Thermostat and Piston Top Valve Actuator
The T-3111 is a combination thermostat and valve actuator providing proportional control of a steam or water valve on a single temperature application. Designed for use on a valve controlled terminal air conditioning unit.
• available in Direct (DIR) and Reversing (REV) acting models
• direct acting models available with an external, or concealed, set point adjusting screw
• direct or reverse acting models available with liquid filled temperature measuring elements
• direct acting model with averaging element available for low limit applications
• fits any Johnson Controls 1/2 in. through 2 in. normally open, normally closed, or ixing valve which takes a V-3000 actuator
• includes a protective snap-on cover
• factory set for a nominal adjustment of ± 7.5°F (± 4°C) from a set point of 75°F (24°C) for bulb element and 56°F (13°C) for the averaging element
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