Description
The AERCO 18557-1 is a pneumatic bulb thermostat (RA-20/240 series) engineered for precise temperature sensing and control in commercial HVAC, boiler, and hydronic heating applications. Designed to AERCO’s exacting standards, this pneumatic thermostat uses a bulb-sensing element to accurately detect system temperatures and modulate pneumatic control signals — making it an ideal fit for building automation and hydronic plant control environments.
Key Features
- Pneumatic bulb-type thermostat for accurate, responsive temperature sensing
- RA-20/240 series — engineered for commercial and industrial HVAC applications
- Designed for integration with pneumatic control systems in boiler and hydronic plants
- AERCO OEM replacement part — ensures compatibility and system reliability
- Durable construction suited for demanding mechanical room environments
Typical Applications
- Commercial boiler and hydronic heating systems
- Pneumatic building automation and temperature control loops
- AERCO boiler and water heater control systems
- Industrial HVAC temperature regulation
Product Details
- Brand: AERCO
- SKU / Part Number: 18557-1
- Type: Pneumatic Bulb Thermostat
- Series: RA-20/240
- Control Type: Pneumatic
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