METAL-FAB 5MIX7 B-Vent Increaser 5″x 7″ HVAC Gas Vent Adapter Galvanized Steel

SKU: 5MIX7

Weight	2 lbs
Dimensions	12 × 12 × 8 in
Condition	New
Manufacturer Part Number	MFG# 5MIX7
Brand	METAL-FAB

$50.42

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$50.42	0%
5–9	$47.90	5%
10+	$45.38	10%

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METAL-FAB 5MIX7 B-Vent Increaser 5"x 7" HVAC Gas Vent Adapter Galvanized Steel

Specifications & product details

METAL-FAB 5MIX7 5″x7″ Vent Pipe Increaser – B-Vent HVAC Connector for LP & NG SystemsThis METAL-FAB 5MIX7 galvanized vent pipe increaser is engineered for use in B-vent gas systems, allowing for a seamless transition from 5-inch to 7-inch pipe diameter. Ideal for propane, LP, and natural gas appliance venting installations, this fitting ensures reliable, airtight performance and efficient flue gas exhaust management.🔧 Key Features:Increaser Size: 5″ to 7″ diameterMaterial: Galvanized steel for superior corrosion resistanceApplication: HVAC flue venting for furnaces, water heaters, and boilersCompatibility: B-Vent systems for LP, propane, and NG appliancesSecure Fit: Crimped end design enables tight connectionInstallation Type: Vertical/horizontal gas vent installationsUse this adapter to meet local code requirements and ensure safe, efficient vent expansion where equipment upgrades or pipe resizing is required.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

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Shipping & availability

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