Field Controls CAS-6SK Combustion Air System

The Field Controls CAS-6SK Combustion Air System delivers reliable combustion air for oil-fired furnaces, gas-fired boilers, and water heaters. With an appliance input of 6.5 GPH (oil) or 910,000 BTU (gas), this system supports efficient, safe operation across fuel types.

This ETL-listed package (Canada and US) is designed for easy installation and long-term reliability, ensuring optimal burner performance and safety.

• Includes the CAS Unit "Fan-In-A-Drum" for compact, space-saving installation
• Star Kap air intake control for regulated airflow
• Two mounting brackets for CAS unit for quick, stable mounting
• Two wire/conduit connectors for tidy, secure wiring
• One 24 VAC SPDT control relay for versatile low-voltage control
• One 120 VAC SPDT control relay for convenient mains-side switching
• ETL-listed for Canada and United States, meeting safety and performance standards