Metal-Fab 6″x18″ B-Vent Pipe Double Wall Round Duct HVAC LP Gas Exhaust

Name: Metal-Fab 6"x18" B-Vent Pipe Double Wall Round Duct HVAC LP Gas Exhaust
SKU: MFG# 6M18-d5drlp
Price: 235.30 USD
Availability: InStock

SKU: MFG# 6M18-d5drlp

$235.30

In stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$235.30	0%
5–9	$223.54	5%
10+	$211.77	10%

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Available to order: 20.

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Product Description

Overview

Metal-Fab 6″ x 18″ Type B-Vent Pipe – Double Wall Round LP/Natural Gas VentingThis Metal-Fab MFG# 6M18 B-Vent pipe is engineered for Category I gas-burning appliances such as propane heaters, LP water heaters, and natural gas furnaces. The double-wall design combines an inner aluminum flue with a galvanized steel outer shell, ensuring corrosion resistance and enhanced safety with only 1″ required clearance to combustibles.The twist-lock SureLock™ system allows for secure installation and fast disassembly—ideal for quick servicing and long-term durability. Perfect for contractors, HVAC technicians, or gas utility professionals working on DOT cylinder venting, water heaters, and rooftop flues.

Specifications

Size: 6″ Diameter x 18″ LengthConstruction: Aluminum Inner Flue + Galvanized Outer WallLocking Mechanism: SureLock™ twist-fitUsage: Venting combustion byproducts from LP/Natural Gas systemsUL listed and compliant for indoor or rooftop installationsIdeal for:LP Gas Water HeatersNatural Gas FurnacesRooftop Exhaust SystemsVertical or Horizontal Ducting ExtensionsMetal-Fab’s B-Vent series is trusted in industrial and residential HVAC environments nationwide.

Product details

Part / SKU	MFG# 6M18-d5drlp

Package includes

Metal-Fab 6"x18" B-Vent Pipe Double Wall Round Duct HVAC LP Gas Exhaust

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