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Introducing the Field Controls CAS-4JR, an essential combustion air system commonly known as 'Fan in a Can Junior', designed to optimize HVAC performance for gas systems up to 110,000 BTU.
This product facilitates mechanical air intake into structures, enhancing the air quality at the combustion intake points.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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