M&M DP-W3632-22GW Welded Drain Pan with PVC Fitting 36" x 32" 22 Gauge Heavy Duty Galvanized Steel

The M&M DP-W3632-22GW is an industrial-grade secondary emergency drain pan, acting as the critical protective "armor" for your property's structure. This 22-gauge heavy-duty galvanized steel basin functions as the system's primary safety brain for moisture management, specifically engineered with welded corners to ensure a 100% leak-proof seal. Unlike standard folded pans, the DP-W3632-22GW is designed for high-capacity air handlers and heavy furnace installations where maximum structural integrity is required. By catching overflow from the primary evaporator coil, this pan prevents the catastrophic ceiling collapses and long-term wood rot that occur when condensate lines become obstructed.

Key Features

• Genuine M&M Part Number DP-W3632-22GW: Guaranteed professional-grade fit featuring a spacious 36-inch by 32-inch footprint designed for large-chassis HVAC units.
• Heavy-Duty 22 Gauge Galvanized Steel: Manufactured with significantly thicker metal than standard pans, providing superior rigidity and resistance to bowing under water weight.
• Leak-Proof Welded Construction: Features precision-welded corners that eliminate the seams found in traditional pans, ensuring a watertight barrier that never relies on failing sealants.
• Advanced Moisture Safety Monitoring: Equipped with a pre-installed 3/4" PVC drain fitting for immediate connection to emergency overflow piping or safety float switches.
• Corrosion-Resistant Zinc Coating: The GW-series galvanized finish provides long-term protection against the acidic nature of HVAC condensate, preventing rust-through for decades.

Product Details

• Brand: M&M Manufacturing
• Manufacturer: M&M
• Part Number: DP-W3632-22GW
• Dimensions: 36" Width x 32" Length x 2" Depth
• Material: 22 Gauge Galvanized Steel
• Construction: Fully Welded Corners
• Fitting Type: 3/4" PVC Female Adapter (Pre-installed)
• Application: Heavy-Duty Air Handler and Furnace Containment
• Weight: 14.5 lbs

🛠️ HVAC Depot Pro Tip

Take a Picture First — Before positioning your heavy air handler, photograph the DP-W3632-22GW sitting level in its designated space. This allows you to verify the pan's initial condition and the pitch of the PVC fitting before it is obscured by the unit. Because this pan uses 22-gauge steel, it is much heavier than standard pans; ensure your support platform is reinforced to handle both the weight of the pan and the HVAC unit. Always perform a "bucket test" by pouring water into the far corner to confirm it flows freely toward the drain outlet before completing the installation.

Cross-Reference

• Superseded Parts: DP-W3632, DP-3632-22, DP-3632-GW
• Legacy Drawing Numbers: 540-3632, 83212, 83015
• Equivalent Brands: Rectorseal 83212, DiversiTech 230-DP3632, Jones Stephens D603632, K-Flex Heavy Duty Pan

Model Compatibility

• Large-Chassis Air Handlers (Suffixes: 3.5 Ton, 4 Ton, 5 Ton High-Efficiency Units)
• Wide-Body Furnaces (Suffixes: 21" and 24.5" Cabinet Widths)
• Commercial Fan Coils (Suffixes: Horizontal Chilled Water and DX Units)
• Hybrid Dual-Fuel Systems (Suffixes: High-Capacity Horizontal Configurations)