Metal Zinc P1662208736-R6-1-0 R6 Insulated Supply Plenum 16-5/8" x 20-7/8" x 36"

The Metal Zinc P1662208736-R6-1-0 is a high-quality, pre-fabricated R6 Insulated Supply Plenum designed for residential and light commercial HVAC systems. Serving as the central distribution hub for conditioned air, this plenum attaches directly to the furnace or air handler outlet, allowing for the strategic connection of supply duct runs while maintaining critical system static pressure and thermal efficiency.

Technical Performance:

Constructed from heavy-duty galvanized steel, this plenum features a 1-inch thick R6 fiberglass insulation lining. This internal insulation is vital for preventing external condensation (sweating) in unconditioned spaces like attics or crawlspaces, while also providing significant acoustic dampening to reduce mechanical blower noise. The "No Flange" design offers maximum installation flexibility, allowing the technician to custom-fit the connection to various equipment brands without being restricted by factory-set mounting lips.

Key Features and Function:

• Thermal Protection: R6-rated internal insulation prevents energy loss and eliminates condensation buildup on the exterior metal surface.
• Acoustic Dampening: The fiberglass liner absorbs high-frequency vibrations and air turbulence, leading to a quieter home environment.
• Custom Installation Flex: The "No Flange" and "One End Cap" configuration allows for easy field trimming and custom transitions to match specific equipment footprints.
• Structural Integrity: Built from rigid, corrosion-resistant galvanized steel to handle high-velocity airflow without "oil-canning" or popping sounds.

Product Details and Key Specifications:

• Part Number: P1662208736-R6-1-0
• Manufacturer: Metal Zinc
• Part Type: R6 Insulated Supply Plenum (One End Cap, No Flange)
• Dimensions: 16-5/8" (Width) x 20-7/8" (Depth) x 36" (Height)
• Insulation Rating: R6 (1" Internal Fiberglass Liner)
• Material: Galvanized Steel
• Configuration: One End Cap (Closed Top)
• Shipping Weight: 28.00 lbs

🛠️ HVAC Depot Pro Tip: The Airtight Seal

When mounting this plenum to your air handler, use high-quality foil tape or duct mastic on all seams, especially where the plenum meets the equipment. Even a small air leak at the plenum base can significantly drop your system's SEER2 efficiency and cause the unit to work harder. If you are cutting holes for take-offs, ensure you use a starting collar with a dampener to maintain balanced airflow across all rooms in the house.

Cross-Reference & Compatibility:

The P1662208736-R6-1-0 is a universal distribution component compatible with:

• Equipment Fit: Fits most 3-ton to 4-ton furnaces and air handlers with a matching discharge opening.
• Duct Types: Compatible with flex duct, round metal duct, and rectangular duct take-offs.
• Industry Standard: Meets or exceeds SMACNA residential duct construction standards.

Extensive Model Compatibility List:

Note: Use 'CTRL+F' to search for your equipment cabinet size:

• Cabinet Size B: 17.5" Wide Furnaces
• Cabinet Size C: 21" Wide Furnaces
• Compatible Brands: Rheem, Ruud, Carrier, Bryant, Trane, American Standard, Lennox, Goodman, and Amana.