Mr. Heater Universal 4 Inch Horizontal Vent Kit – Category III

Upgrade, repair, or replace the ventilation with your garage or shop heater with this Mr. Heater F102860 Category III 4-Inch Stainless Steel Horizontal Vent Kit. This vent kit attaches to your natural gas heater and keeps your work area’s air clear and breathable. This ventilation kit is designed to work with Mr. heater Big Maxx natural gas heaters, including models MHU80, MHU50, MHU75, and MHU45. Big Maxx natural gas heaters keep your garage, shop, or barn warm throughout the year, and must be vented to keep you safe. This vent kit will vent fumes away from you. The horizontal vent kit expels air horizontally through a wall. It uses 4-inch stainless steel piping, and will require a wall cutout. You’ll get everything needed for safe, horizontal venting. This vent kit includes an adjustable elbow, adapter, b-vent pipe, 2 vent pipes, wall thimble, roof flashing, storm collar, and vent cap.