B-VENT (DOUBLEWALL)

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.

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In-Store Pickup Only — Browse our catalog below, then visit us in Dallas or call (214) 340-9421 to purchase.

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“DW34NC – FLUE PIPE (3″ to 4″)” has been added to your cart. View cart

Showing all 19 results

Low Stock
UNIVERSAL
DW34NC – FLUE PIPE (3″ to 4″)
SKU · DW34NC
$20.12
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.
In Stock
UNIVERSAL
DW45NC – FLUE PIPE (4″ to 5″)
SKU · 200458
$18.42
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.
Low Stock
UNIVERSAL
DW46NC – FLUE PIPE (4″ to 6″)
SKU · 200459
$19.36
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.
In Stock
UNIVERSAL
DW490 – FLUE PIPE (4″ ELBOW)
SKU · 200414
$23.99
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.
In Stock
UNIVERSAL
DW4AFLASH – FLASHING (4″, 1/12 to 7/12)
SKU · 200408-EC
$16.66
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.
In Stock
UNIVERSAL
DW4CAP – ROOF CAP (4″)
SKU · 200406
$16.84
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.
In Stock
UNIVERSAL
DW4DHC – FLUE PIPE (4″ DRAFT HOOD CONNECTOR)
SKU · 200415
$9.25
4-inch double-wall draft hood connector for Type B gas vent. Connects the appliance draft hood to the vent system. ECCO Manufacturing 200415.
Low Stock
UNIVERSAL
DW4FAD – FLUE PIPE (4″ ADAPTOR)
SKU · DW4FAD
$21.67
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.
In Stock
UNIVERSAL
DW4HPFLASH – FLASHING (4″, 8/12 to 12/12)
SKU · 200428-EC
$21.70
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.
In Stock
UNIVERSAL
DW4SC – STORM COLLAR (4″)
SKU · 4SSC
$4.66
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.
In Stock
UNIVERSAL
DW4X12 – SOLID FLUE PIPE (4″ x 12″) *NOT ADJUSTABLE*
SKU · 200404
$9.60
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.
In Stock
UNIVERSAL
DW4X12ADJ – FLUE PIPE (4″ x 12″) *NOT SOLID*
SKU · 200405
$12.26
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.
In Stock
UNIVERSAL
DW4X24 – SOLID FLUE PIPE (4″ x 24″)
SKU · 200452
$14.90
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.
In Stock
UNIVERSAL
DW4X36 – SOLID FLUE PIPE (4″ x 36″)
SKU · 200402
$20.50
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.
In Stock
UNIVERSAL
DW4X36CON – FLEXIBLE FLUE PIPE (4″ x 36″)
SKU · 200493
$53.80
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.
In Stock
UNIVERSAL
DW4X48 – SOLID FLUE PIPE (4″ x 48″)
SKU · 200450
$26.77
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.
In Stock
UNIVERSAL
DW4X60 – SOLID FLUE PIPE (4″ x 60″)
SKU · 200401
$34.72
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.
Low Stock
UNIVERSAL
DW4X60CON – FLEXIBLE FLUE PIPE (4″ x 60″)
SKU · 200495
$83.87
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.
Low Stock
UNIVERSAL
DW56NC – FLUE PIPE (5″ to 6″ INCREASER)
SKU · DW56NC
$26.52
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.