DW34NC – FLUE PIPE (3″ to 4″)
$20.123-inch to 4-inch double-wall flue pipe increaser for Type B gas vent. Transitions from a 3″ appliance outlet to a 4″ vent run. ECCO Manufacturing 200358.
Shop double wall B-vent pipe at Open To Public HVAC Parts in Dallas. We carry Type B gas vent pipe, elbows, tees, caps, and connectors for gas furnace and water heater venting. Multiple diameters in stock for same-day walk-in pickup.
Showing all 19 results

3-inch to 4-inch double-wall flue pipe increaser for Type B gas vent. Transitions from a 3″ appliance outlet to a 4″ vent run. ECCO Manufacturing 200358.

4-inch to 5-inch double-wall flue pipe increaser for Type B gas vent. Transitions from 4″ to 5″ vent pipe. ECCO Manufacturing 200458. Aluminum/galvanized construction.

4-inch to 6-inch double-wall flue pipe increaser for Type B gas vent. Transitions from 4″ to 6″ vent pipe. ECCO Manufacturing 200459. Aluminum/galvanized construction.

4-inch double-wall 90-degree elbow for Type B gas vent. Changes vent direction by 90 degrees. ECCO Manufacturing 200414. Aluminum inner, galvanized outer.

4-inch adjustable roof flashing for Type B gas vent. Fits roof pitches from 1/12 to 7/12 (low to moderate slope). ECCO Manufacturing 200408. Keeps water out at the penetration.

4-inch double-wall rain cap for Type B gas vent. Keeps rain, debris, and animals out of the vent termination. ECCO Manufacturing 200406. Galvanized steel.

4-inch double-wall draft hood connector for Type B gas vent. Connects the appliance draft hood to the vent system. ECCO Manufacturing 200415.

4-inch double-wall female sleeve adapter for Type B gas vent. Connects B-vent pipe to appliances. ECCO Manufacturing 200473. Also listed as 4M6AF.

4-inch adjustable roof flashing for Type B gas vent. Fits roof pitches from 8/12 to 12/12 (steep slope). ECCO Manufacturing 200428. For steep roofs only.

4-inch double-wall storm collar for Type B gas vent. Seals the gap where the vent pipe passes through the roof. ECCO Manufacturing 200490. Galvanized steel.

4-inch x 12-inch solid (non-adjustable) Type B gas vent pipe. Double-wall with aluminum inner liner and galvanized outer. ECCO Manufacturing 200404. Fixed 12″ length.

4-inch adjustable Type B gas vent pipe, extends 4 to 10 inches. Double-wall with aluminum inner and galvanized outer. ECCO Manufacturing 200405. Telescopes to fit.

4-inch x 24-inch solid Type B gas vent pipe. Double-wall with aluminum inner liner and galvanized outer. ECCO Manufacturing 200452. Fixed 24″ length.

4-inch x 36-inch solid Type B gas vent pipe. Double-wall with aluminum inner liner and galvanized outer. ECCO Manufacturing 200402. Fixed 3-foot length.

4-inch x 36-inch flexible gas vent connector. Double-wall with aluminum inner and galvanized outer. ECCO Manufacturing 200493. Bends to fit tight spaces.

4-inch x 48-inch solid Type B gas vent pipe. Double-wall with aluminum inner liner and galvanized outer. ECCO Manufacturing 200450. Fixed 4-foot length.

4-inch x 60-inch solid Type B gas vent pipe. Double-wall with aluminum inner liner and galvanized outer. ECCO Manufacturing 200401. Fixed 5-foot length.

4-inch x 60-inch flexible gas vent connector. Double-wall with aluminum inner and galvanized outer. ECCO Manufacturing 200495. Extra length for difficult runs.

5-inch to 6-inch double-wall flue pipe increaser for Type B gas vent. Transitions from 5″ to 6″ vent pipe. ECCO Manufacturing 210558. Aluminum/galvanized construction.