Field Controls Fan In A Drum Combustion Air System (up to 900,000 BTU)

This product is designed for use with any oil or gas fired furnace, water heater, or boiler with 24 VAC or 120 VAC control systems. It may also be used with millivolt water heaters and more than one appliance. The CAS unit mechanically draws air into a structure and disperses it near the combustion air intake of an appliance. Refer to Diagrams A & B for guidance in setting up the CAS system based on the size and length of the connecting duct work and the input rating of the appliance. ITEMS INCLUDED: 1- CAS Unit (ETL Listed) "Fan-In-A-Drum" 2- Mounting Brackets for CAS Unit 2- Wire/Conduit connectors 1- 24VAC Control Relay (SPDT) 1- 120VAC Control Relay (SPDT)