Field Controls CAS-34U Universal Combustion Air System Oil 3.5 GPH or Gas 450,000 BTU Compatibility UPC 09074795575

The Field Controls CAS-34U Universal Combustion Air System Oil/LP/NG UPC: 09074795575 is used to inject the correct amount of air into heating elements through the use of oil, propane, or natural gas in HVAC systems. It controls the amount of fresh air taken to help in combusting the fuel up to 3.5 GPH and produces heat up to 450,000 BTU. This commercial and industrial furnace/boiler requires the supply of air to be controlled to ensure efficient combustion. Being a component of the combustion section, it preconditions the incoming air, which contributes to maintaining the stable flame and heat.