Description
The Schneider Electric (Barber Colman) 2218-133 is a commercial-grade pneumatic room thermostat engineered for use with Johnson main air systems. Designed for flexibility in building automation and HVAC control applications, this thermostat supports both Reverse Acting (RA) and Direct Acting (DA) operation, allowing it to be configured to suit a wide range of heating and cooling control strategies.
The Summer/Winter switching capability makes this thermostat ideal for year-round climate control in commercial buildings, enabling seamless transitions between seasonal operating modes without the need for additional control hardware. The unit ships without dial limit stops, providing full-range setpoint adjustment for commissioning and system balancing by qualified HVAC technicians.
As part of the trusted Barber Colman pneumatic controls legacy — now under the Schneider Electric brand — the 2218-133 delivers reliable performance in pneumatic control systems found in offices, schools, hospitals, and other commercial facilities.
Key Features
- Reverse Acting (RA) and Direct Acting (DA) operation
- Summer/Winter switching for year-round HVAC control
- Designed for use with Johnson main air systems
- No dial limit stops — full-range setpoint adjustment
- Commercial-grade pneumatic thermostat construction
- Part of the Barber Colman pneumatic controls product line by Schneider Electric
Applications
- Commercial office buildings
- Schools and universities
- Hospitals and healthcare facilities
- Institutional and government buildings
- Any facility utilizing Johnson pneumatic main air control systems
Product Details
- SKU: 2218-133
- Brand: Schneider Electric (Barber Colman)
- Type: Pneumatic Room Thermostat
- Action: Reverse Acting / Direct Acting
- Season Mode: Summer / Winter
- Dial Limit Stops: Not included
- Compatible System: Johnson main air pneumatic systems
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