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Mr. Heater Big Maxx 4-in Horizontal Residential Adapter, B-Vent Pipe, Vent Pipe, Elbow, Wall Thimble, Roof Flashing, Storm Collar, Vent Cap

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  • 4-in stainless steel horizontal vent kits are designed to fit the MHU75, HSU75, MHU80 and HSU80 model unit heaters

  • Designed for vertical installation only, other select parts may be required for your installation needs

  • Stainless steel meets new 2012 standards, stainless steel is required by code in most Canadian provinces so please check and adhere to all local codes before installation

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