Metal-Fab 4MO3 Type B Oval Gas Vent Pipe 4″x36″ LP Natural Gas HVAC Double Wall

Name: Metal-Fab 4MO3 Type B Oval Gas Vent Pipe 4"x36" LP Natural Gas HVAC Double Wall
SKU: MFG# 4MO3
Price: 71.94 USD
Availability: InStock

SKU: MFG# 4MO3

$71.94

In stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$71.94	0%
5–9	$68.34	5%
10+	$64.75	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order: 10.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Product Description

Overview

Metal-Fab 4MO3 4"x36" Oval Double-Wall Type B Gas Vent Pipe for LP & Natural Gas HVAC SystemsThe Metal-Fab MFG# 4MO3 oval gas vent pipe is ideal for safe and compliant venting of Category 1 gas appliances, including propane (LP) and natural gas systems. Designed for professional HVAC installations, it features a double-wall construction with a corrosion-resistant aluminum inner liner and a galvanized or galvalume steel outer shell.

Its oval shape fits neatly between 2"x4" or 2"x6" studs, making it perfect for wall cavities and tight spaces.🔧

Features

Size: 4" diameter, 36" lengthDouble-wall construction improves safety and heat insulation1" clearance to combustibles (UL-rated)Compatible with vent caps, elbows, tees, and terminations
Designed for LP and natural gas systems, such as water heaters, furnaces, and boilers🛠️ Installation Notes:UL-listed for Category 1 appliance ventingSecurely fits into standard framing dimensionsMatches other Metal-Fab B-Vent system componentsGreat for both residential and commercial HVAC system upgrades or new installs.

Product details

Part / SKU	MFG# 4MO3

Package includes

Metal-Fab 4MO3 Type B Oval Gas Vent Pipe 4"x36" LP Natural Gas HVAC Double Wall

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