2-Pipe Thermostats

Barber Colman 2-pipe direct acting pneumatic thermostat for a temperature range of 55-85°F. This thermostat is used for proportional control of pneumatically activated valves, dampers, and similar devices in heating, ventilating, and air conditioning systems. Learn More

Siemens 2-pipe, high air capacity, proportional single output, single set point, direct acting thermostat. Learn More

Barber Colman reverse-acting, two-pipe thermostat for temperatures between 55-85°F without dial limit stops. Learn More

Barber Colman direct-acting, two-pipe thermostat for temperatures between 55-85°F without dial limit stops. Learn More