Description
Category 1 vertical 6 in vent kit for use with Mr. Heater Big Maxx or Heatstar by Enerco brand unit heaters ranging from 250,000 to 400,000 BTU's
Kit includes a 6-in gas vent top, a storm collar, an adjustable roof flashing, a 6-in by 26-in B-vent pipe, two 6-in by 24-in 26-GA pipes, a firestop support plate assembly, and a 4-in to 6-in adapter (if needed)
Single and double wall venting pipes
Additional parts may be needed to meet local building codes
Adjustable roof flashing
Compatible with MHU50, MHU80, MHU125, HSU50, HSU80, and HSU125
The category 1 vertical 6-in vent kit provides class 1 single wall B-vent ducting for Mr. Heater Big Maxx and Heatstar unit heaters, ranging from 250,000 to 400,000 BTU. Designed for vertical installation only. Kit includes a 6-in gas vent top, a storm collar, an adjustable roof flashing, a 6-in by 26-in B-vent pipe, two 6-in by 24-in 26-GA pipes, a firestop support plate assembly, and a 4-in to 6-in adapter (if needed). Other parts may be required for your specific installation needs. Please check and adhere to all state and local codes before installation.

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