©Johnstone Supply eCatalog 216

COMMERCIAL CONTROLS Pneumatics

Retroline™ Pneumatic Room Thermostats • Designed to control pneumatic damper actuators and valves

Specifications: • Factory calibration: 7.5 PSI 72°F • Sensitivity: 2.5 PSI/1°F • Scale range: 45°F to 85°F • Operating temperature: -40°F to +140°F • Air consumption: 20 SCIM

• L37-952 automatically changes over from heat/cool and day/night mode where two setpoints are required

B

A

C

Each

Fig. Order # Mfg. #

Description

Control Action Direct Acting Reverse Acting Direct Acting Reverse Acting

Thermostat

L37-948 192-202 Chassis Only L37-949 192-203 Chassis Only

A A B B C

Single Setpoint/Heating or Cooling Single Setpoint/Heating or Cooling Single Setpoint/Retroline Retrostat Kit Single Setpoint/Retroline Retrostat Kit

295.00 295.00 329.00 335.00 479.00

L37-950 L37-951 L37-952

192-840 Chassis, Cover, Hardware 192-841 Chassis, Cover, Hardware

192-208 Chassis Only

Heating Direct/Cooling Reverse

Dual Setpoint/Heating/Cooling

Accessories for Siemens Thermostats

Each

Order # Mfg. #

Description

L37-961 L37-962

192-256 192-262

Single Setpoint Thermostat Cover, Concealed Day/Night Thermostat Cover, Concealed

35.99 35.99 95.00

L37-963 192-868 L37-964 832-178 L37-965 192-633

Retrostat Thermostat Cover Pneumatic Calibration Tools

119.00 119.00

Test Probe and Gauge for Calibration

TH356 Limitem™ Thermostat • Used for a wide variety of applications in unit ventilators and air handler systems • Other applications are for low limit control of air flow to a controlled space • TH356 Limitem™ is a rigid bulb-sensing thermostat that is available in direct action or reverse action

• 1/8"–27 NPT female thread air connection for supply and control ports • Adjustable sensitivity, degrees Fahrenheit/PSI: 0.25 to 2 PSI • Temperature response: 0.5°F

Each

Order # Mfg. #

Description

Style

Temp. Range 30°F to 180°F

Max. Pressure

L37-969 356-0750 TH356 DA

Rigid 18"

18 or 25

745.00

TH832 “D” Room Thermostat • Direct-acting pneumatic thermostat • Unique, two-valve design eliminates a constant waste of air • Thermostat includes chassis and base assembly • Metal cover included and incorporates a calibrated thermometer and vandal-proof fasteners

• Concealed setpoint adjustment Specifications: • Operating range: 60°F to 85°F • Control action: Direct acting • Maximum supply air pressure: 30 PSI

• Temperature response: 0.5°F • Sensitivity, fixed: 2.5 PSI/1°F

Each

Order # Mfg. #

Description

L37-966 832-0120 L37-968 856-055

TH832 “D” Thermostat — Concealed Adjustment

885.00

“D” Thermostat Adjustment Tool

9.55

422

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