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The category 1 vertical 4 in vent kit provides class 1 single wall B-vent ducting for Mr. Heater Big Maxx unit heaters, ranging from 50,000, 80,000, and 125,000 BTUs. Complies with US standard (UL441) and Canadian standard (S605). Designed for vertical installation only. Kit includes 4 in x 36 in B-vent pipe, two 4 in x 24 in vent pipes, 4 in 90-degree elbow, roof flashing, storm collar, vent cap, and gas vent fire stop spacer. Other parts may be required for your specific installation needs. Please check and adhere to all state and local codes before installation.
Specification | Description |
---|---|
Brand | Mr. Heater |
Country of Origin | Made in USA |
Compatibility | MHU75, HSU75, MHU80 and HSU80 model unit heaters |
Heating Replacement Part Type | Vents |
Package Quantity | 8 |
Primary Color | Gray |
Primary Material | Tin |
Product Height | 37.25 in. |
Product Length | 6.63 in. |
Product Weight | 14.75 lb. |
Product Width | 13.75 in. |
Warranty | 1 Year Limited |
Manufacturer Part Number | F102848 |