The Honeywell TP970A2004 is a two-pipe, single setpoint, pneumatic thermostat used to provide proportional control of pneumatic valves and damper actuators in heating and air conditioning systems. Replacement kits are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell two-pipe pneumatic thermostats.
Features
The TP970A2004 is a shock-resistant, suspension-mounted thermostat that provides dependable performance and responsiveness year in and year out. Pilot operated for high capacity. Both direct Acting (DA) and Reverse Acting (RA) models are available. Wide throttling range models for Zero Energy Band (ZEB) operation are also available. The adapter plate in Convertastat™ and Modernization kits covers existing thermostat wall mark. Backplate has molded air connections which means that no separate fittings needed. Includes universal locking cover with satin chrome finish and horizontal, vertical, or blank window options. Typical Wide Throttling Range Application.
Product Specifications
| Description | Pneumatic Thermostat Direct Acting, Heating |
| Application | Heating |
| Remote Bulb | No |
| Setpoint | Single |
| Action | Direct Acting |
| Number of Pipes | 2 |
| Setpoint Temperature Range (F) | 59 F to 90 F |
| Sensor Element | Bimetal |
| Maximum Safe Operating Pressure (psi) | 25 psi |
| Maximum Safe Operating Pressure (kPa) | 170 kPa |
| Operating Temperature Range (F) | 100 F maximum |
| Storage Temperature (F) | 150 F maximum |
| Storage Temperature (C) | 66 C maximum |
| Throttling Range (F) | 2 F to 10 F (factory set 4 F) |
| Throttling Range (C) | -16 C to -12 C (factory set -15 C) |
| 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 |
| Mounting | Wall |
| Accessories | Honeywell 14004406-111 Cover |
