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Field Controls

FAN IN A CAN® CAS-4 COMBUSTION AIR SYSTEM

CAS-4 For Gas Heating Appliances

The Fan-in-a-Can diffuses the outside air into the room near the burner to ensure adequate air for efficient combustion.

The CAS-4MV is for use with 750mV power pile gas appliances. Each is designed for optimum safety and includes a proving device that won’t allow the burner to engage without the Fan-in-a-Can operating. Multiple units or additional controls are required for multiple appliance installations.

The Fan-in-a-Can, Jr., model CAS-4Jr. is designed for gas appliances up to 110,000 BTU/hr input. A 4 intake Air Hood (IAH) is included along with mounting brackets to secure the Fan-in-a-Can, Jr. to a wall. It may be used with a residential water heater with the addition of control kit CK-20 FV/FG.

Specifications

PART # MODEL FUEL BURNER APPLIANCE INPUT COMPONENTS
46266302 CAS-4 Gas Beckett AFG or AF, Carlin EZ-1, CRD, FRD, Wayne MSR Up to 450,000 BTU/hr. 4" Intake Air Hood, Fan-in-a-can, 6" to 4" Reducer Restrictor Plate
46266307 CAS-4P Gas Beckett AFG or AF, Carlin EZ-1, CRD, FRD, Wayne MSR Up to 450,000 BTU/hr. 4" Intake Air Hood, Fan-in-a-can, 6" to 4" Reducer, Restrictor Plate ADA-1
46387500 CAS-4MV Gas Beckett AFG or AF, Carlin EZ-1, CRD, FRD, Wayne MSR Up to 450,000 BTU/hr. 4" Intake Air Hood, Fan-in-a-can, 6" to 4" Reducer Restrictor Plate
46525600 CAS-4JR Gas Beckett AF and AFG, warm air funaces Up to 110,000 BTU/hr. 4" Intake Air Hood, Fan-in-a-can
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