Pneumatic thermostat with night setback used for proportional control of pneumatic valves and damper actuators. Replacement kits are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell two-pipe pneumatic thermostats.

Features: Durable TP970 series thermostat Pilot operated for high capacity. Direct Acting (DA) and Reverse Acting (RA) models are available. Three-pipe thermostats are available for unit ventilator applications where the outdoor damper must operate when the thermostat is manually set to day operation. Adapter plate in thermostat kits covers existing thermostat watermark. Backplate has molded air connections-no separate fittings needed. Universal Locking cover with satin chrome finish and horizontal, vertical, or blank window options-other covers available.