DW34NC – FLUE PIPE (3″ to 4″)

This increaser connects a 3-inch appliance draft hood or vent collar to a 4-inch vent pipe run. Common when upgrading vent pipe size or connecting smaller appliances to an existing 4-inch vent system. Double-wall construction with aluminum inner liner and galvanized steel outer casing.

Specs: 3-inch to 4-inch increaser, double-wall (aluminum inner, galvanized steel outer), Type B gas vent

Replaces: 200358-EC, DW34NC

Fits: Type B double-wall gas vent systems transitioning from 3″ to 4″

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 200358-EC
• DURAVENT3GVX4
• SELKIRK3VP-I4

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.