Pneumatic Thermostat Reverse Acting

Overview

Single temperature, low capacity, pneumatic thermostat provides control of pneumatic valves & damper actuators in HVAC systems. Replacement kits are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell pneumatic thermostats.

Features

• Durable TP970 Series Thermostat. Direct Acting (DA) and Reverse Acting (RA) models are available.
• Backplate has molded air connections-no separate fittings needed.
• Universal locking cover with satin chrome finish and horizontal, vertical, or blank window options available.
• Other Covers Available.
• Low capacity thermostat.
• Built in restrictor for two-pipe applications.

Product Specifications

Application

Wall Thermostat, Single Temperature

Airflow Usage

0.011 scfm (5.2 mL/s)

Dimensions (in.)

3 1/4 in. high x 2 in. wide x 1 5/8 in. deep

Dimensions (mm)

83 mm high x 51 mm wide x 41 mm deep

Maximum Safe Operating Pressure (psi)

25 psi

Maximum Safe Operating Pressure (kPa)

170 kPa

Temperature Range (C)

38 C

Includes

Order Cover Separately

Comments

For one-pipe order an external 0.005 in. restriction

Mounting

Wall mount

Approvals, Underwriters Laboratories Inc.

Approvals, CSA

Setpoint Temperature Range (C)

15 C to 30 C

Shipping and Storage Temperature Range (F)

150 F maximum

Shipping and Storage Temperature Range (C)

66 C maximum

Approvals, Factory Mutual

Sensor Element

Bimetal

Throttling Range (F)

2 F to 10 F

Throttling Range (C)

1 C to 5 C

Connection Size (in.)

Differential Pressure Range (psi)

Differential Pressure Range (kPa)

Approvals, NEMA Standard

Action

Reverse Acting

Setpoint

Single

Number of Pipes

1 or 2

Changeover Pressure (psi)

Changeover Pressure (kPa)

Mainline Pressure Range (psi)

Capacity

Control Range (fpm)

Control Range (m/s)

Number of Sensor Inputs

Remote Control Point Adjustment

Approximate Throttling Range, Midscale (psi)

Approximate Throttling Range, Midscale (kPa)

This item has no supplemental files.