Combines the motor, blower and vent hood in one complete, easy to install unit that significantly reduces motor noise.

• Designed for walls up to 8" thick
• Use with oil or gas furnaces, boilers and water heaters
• SWG4G is the universal 4" model

When to Use:

• New construction
• When converting from electric to gas or oil
• To avoid relining a chimney
• Must order control kit, not included
• When installing an additional heating appliance
• When co-venting a water heater with a furnace