HVAC Controls, Pneumatic • Thermostats and Humidistats
Dual Temperature Dual Pressure Thermostat T-3300
Model Description
The T-3300 Dual Temperature Dual Pressure Thermostat is designed to maintain space comfort in accordance with the temperature of air returning to a terminal air conditioning unit.
Features
• Includes external set point adjusting dial on top of cover • Features tabs for the pointer that permit restricting the temperature adjusting range
• Factory calibrated for a nominal adjustment of ± 7.5°F (± 4°C) from a set point of 75°F (24°C)
item
T-3300-1 T-3300-1 T-3300-2 T-3300-2
Descriptions
Direct Acting, 15 psig Reverse Acting, 20 psig Direct Acting, 20 psig Reverse Acting, 15 psig
accessories item
callout
T-3100-6005 A T-4002-600 B T-275-6002 C T-275-100 T-271-6000
Description
Supply Inlet Filter (Order in Multiples of 50) Control Port
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Element Assembly Remote “B” Bulb Bulb Holder
Knob (Package of 2)
H
Integral Thermostat and Piston Top Valve Actuator T-3311
Model Description
The T-3311 is a combination pneumatic thermostat and valve actuator providing proportional control of a steam or water valve in a heating/cooling application. The T-3311 is designed for use on a valve-controlled terminal air conditioning unit.
item
T-3311-1 T-3311-1 T-3311-2 T-3311-2
accessories item
T-3100-6005
T-4002-600 T-275-6002 T-275-100 T-271-6000
620 Descriptions
Direct Acting 15 psig, Reverse Acting 20 psig Direct Acting 20 psig, Reverse Acting 15 psig
callout Description A
B C
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Control Port
Element Assembly Remote “B” Bulb Bulb Holder
Knob (Package of 2) Select from our complete offering of the industry’s leading brands. Features
• Direct-Reverse acting or Reverse-Direct acting • Equipped with liquid filled bulb temperature measuring element
Supply Inlet Filter(Order in Multiples of 50)
• Includes a built-in restrictor in the supply air connection • Equipped with an external set point adjustment • Fits any Johnson Controls 1/2 in. through 2 in. NPT Fnormally open, normally closed, or mixing valve which takes a V-3000-1 actuator only • Includes a protective snap-on cover
• Factory set for a nominal adjustment of ± 7.5°F (± 4°C) • Includes pointer tabs to restrict the temperature adjustment range to as little as ± 2.5°F (± 1.4°C)