Metal-Fab B-Vent Pipe 3″ x 48″ Round Double Wall Gas Vent HVAC Flue MFG# 3M4

Name: Metal-Fab B-Vent Pipe 3" x 48" Round Double Wall Gas Vent HVAC Flue MFG# 3M4
SKU: MFG#3M4-ddp8ps
Price: 61.54 USD
Availability: InStock

SKU: MFG#3M4-ddp8ps

$61.54

In stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$61.54	0%
5–9	$58.46	5%
10+	$55.39	10%

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Product Description

Overview

Metal-Fab 3″ x 48″ B-Vent Round Pipe – Double Wall Gas Vent Flue (MFG# 3M4)Upgrade your HVAC venting system with this Metal-Fab 3″ x 48″ B-Vent Pipe, designed specifically for Category I gas-burning appliances. Built to meet rigorous code standards, this double-wall vent pipe features a corrosion-resistant aluminum inner wall and a galvanized steel outer shell for durability and efficient exhaust flow.The twist-lock connection system ensures a secure, tool-free assembly for gas water heaters, boilers, and furnaces using propane or natural gas. Ideal for residential and light commercial installs, the 3″ x 48″ round pipe provides dependable performance and easy integration into existing systems.Key Specs:Vent Pipe Size: 3″ DiameterLength: 48 InchesType B Double Wall ConstructionUse: Propane, Natural Gas, LPModel: MFG# 3M4Secure Locking System – No Screws NeededUL/CSA CompliantMade in USAPair with Metal-Fab elbows, tees, and adapters for a complete venting solution.

Product details

Part / SKU	MFG#3M4-ddp8ps

Package includes

Metal-Fab B-Vent Pipe 3" x 48" Round Double Wall Gas Vent HVAC Flue MFG# 3M4

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.