About the Honeywell TP972A2002/U Pneumatic Thermostat Direct Heating, Reverse Cooling
Honeywell TP972A2002/U Pneumatic Thermostat - Direct Acting Heating, Reverse Acting Cooling. The Two-pipe, One to Two temperature, pneumatic thermostat gives proportional control of pneumatic valves & damper actuators. Replacement Kits available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell two-pipe pneumatic thermostats.