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Combustion A Systems (oil) CAS-1 and CAS-2 (oil) HEN TO USE THE SYSTEM Direct Connect • Too tight construction The CAS-1 and CAS-2 Field Combustion Air Systems • Provide source of fresh air for combustion provide controlled amounts of outside air for proper •...
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The CAS-3 is equipped with a two speed control for enhanced versatility. Model Fuel Application Components Number 4” Intake Air Hood Any oil Fan-in-a-Can™ Assembly CAS-3 heating 6” to 4” Reducer appliance Restrictor Plate Intake Air Hood Fan-in-a-Can™ Assembly P/N 46457000 10/03...