Insulated Return Air Box 14.5×28.25×18 Fits FG/VG A Width Furnace

Insulated Return Air Box – Fits FG/VG Series Furnaces (A Width)

This insulated return air box is designed specifically to fit FG/VG series furnaces with an A-width cabinet.

Constructed from heavy-gauge galvanized steel and internally insulated, this return box improves airflow efficiency while reducing noise and condensation within the return system.

Specifications:

• Dimensions: 14-1/2″ W x 28-1/4″ D x 18″ H

• Compatible Furnace Width: A Cabinet Width

• Model: MFG# GMS#GFRIN814.5X28.25

• Brand: Gray South

• Construction: Galvanized Steel with Internal Insulation

Key Features:

✔ Internal insulation reduces sound transmission

✔ Helps prevent condensation buildup

✔ Designed for FG/VG series furnace compatibility

✔ Durable contractor-grade construction

✔ Ideal for bottom return installations

Ideal Applications:

• New furnace installations

• HVAC system upgrades

• Return air transitions

• Residential forced-air heating systems

Engineered for professional HVAC installations requiring proper return air management and insulation performance.

Product details

Part / SKU	GMS#GFRIN814.5X28.25

Package includes

• Insulated Return Air Box 14.5×28.25×18 Fits FG/VG A Width Furnace

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.