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White polypropylene round duct connector with backdraft damper

Dayton

Dayton 6WZP2 round duct connector 6 in trap

SKU CH-YD6K-SZ3NF

Connects 6-inch round ductwork and includes a backdraft damper to prevent reverse airflow

  • Product typeDrain Components
  • Round duct connector fits 6 in ductwork for direct airflow connection
  • Includes backdraft damper to prevent reverse airflow when system is off
  • Polypropylene construction resists moisture and corrosion in drainage applications
  • Compatible with Grainger part numbers 3DPE5, 3DPE7, 3DPE8, 5AE70, 5AE71 for easy replacement
  • Overall height and width of 6 in matches standard round duct dimensions

Round duct connector with backdraft damper

The Dayton 6WZP2 is a polypropylene round duct connector that includes an integrated backdraft damper. It is intended for HVAC installations where airflow must be directed one way and reverse flow prevented. The component suits residential and light commercial ductwork systems.

Practical limits of the polypropylene construction

Polypropylene handles typical ventilation temperatures but is not rated for high-heat exhaust or flue gas applications. The material resists moisture and common cleaning agents, yet prolonged UV exposure can degrade the surface. Installers should verify local code requirements for damper-equipped fittings in supply or return runs.

Build quality and day-to-day implications

The one-piece moulded body eliminates separate damper hardware that can loosen over time. Round 6 in profile matches standard duct sizing for straightforward slip-fit connections. Compatibility with Grainger part numbers 3DPE5, 3DPE7, 3DPE8, 5AE70, 5AE71 simplifies replacement sourcing for maintenance teams.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 72% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameDayton
Model name6WZP2
Product typeDrain Components

Questions about this item

Should I choose the 6 in round duct connector or a different size?

The 6 in round duct connector matches ducts of that diameter; select it when your ductwork is 6 in.

What does the 6 in overall height and width mean once installed?

The connector occupies a 6 in by 6 in opening, so it fits a 6 in round duct without reducing the airflow area.

How does the polypropylene material affect the connection?

Polypropylene resists corrosion and handles typical drain temperatures, keeping the joint sealed over time.

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