Fan in a Can CAS-3 (Oil) and CAS-4 (Gas)
Fan in a Can CAS-3 For Oil Heating Appliances and CAS-4 For Gas Heating Appliances (now known as CAS-34U)
Fan in a Can CAS-3 For Oil Heating Appliances and CAS-4 For Gas Heating Appliances (now known as CAS-34U)