Pneumatic Thermostat Direct Acting, Heating, 3 Pipes (Day/Night Setpoint), TP971C2009

Pneumatic thermostat with night setback 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.FeaturesDurable TP970 series thermostat Pilot operated for high capacityDirect Acting (DA) and Reverse Acting (RA) models are availableThree-pipe thermostats are available for unit ventilator applications where the outdoor damper must operate when the thermostat is manually set to day operationAdapter plate in thermostat kits covers existing thermostat watermarkBackplate has molded air connections-no separate fittings neededUniversal Locking cover with satin chrome finish and horizontal, vertical, or blank window options-other covers available Specifications Description: Pneumatic Thermostat Reverse Acting HeatingApplication: Wall Thermostat, Day/Night operationRemote Bulb: NoSetpoint: Day/NightAction: Reverse Acting Heating, two tempNumber of Pipes: 3Setpoint Temperature Range: Day: 59 F to 90 F, Night: 50 F to 80 FSensor Element: BimetalChangeover Pressure: Day 20 psi, Night 25 psiMaximum Safe Operating Pressure (psi) 25 PSIOperating Temperature Range (F): 100F MaximumThrottling Range (F): 2 F to 10 F (factory set 4 F)Airflow Usage: 0.011 scfm (5.2 mL/s)Dimensions: 3-1/4 in. high x 2 in. wide x 1-5/8 in. deepMounting: wallNote: Order Cover SeparatelyComments: Has secondary branch line