DESCRIPTION
Highlights:
- Hose Diameter: 4"
- For vertical installation only
- Allows category 1 unit/utility heaters to comply to both the Canadian Standard (S605) and the US Standard (UL441)
- Can be used with MHU75, MHU80, and HSU80 model unit heaters
- Number of Pieces: 9 pieces
Includes:
- (1) 3" to 4" adapter
- (1) 4" x 36" B-vent pipe
- (2) 4" x 24" vent pipe
- (1) 4" 90 degree elbow
- Roof flashing
- Storm collar
- Vent cap
- Gas vent firestop spacer
Warning: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Wash your hands after handling this product. For more information visit www.P65Warnings.ca.gov