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

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 terminationsDesigned 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.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.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 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.

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.