4in Vertical Vent Kits designed to fit the Mr. Heater & HeatStar MHU50, HSU50, MHU75, HSU75, MHU80 and HSU80 model unit heaters. Designed for vertical installation only.
Other select parts may be required for your installation needs.
Please check and adhere to all state and local codes before installation. Mr. Heater’s vertical vent kit allows Category 1 Unit/Utility heaters to comply to both the Canadian Standard (S605) and the US Standard (UL441).
Replacement for F102840.What's in the box
- 4in x 36in B-Vent Pipe x 1
- 4in x 24in Vent Pipes x 2
- 4in 90-degree elbow x 1
- Roof Flashing, Wall Fire Stop, Storm Collar, Vent Cap, Gas Vent Firestop Spacer
- For use with MHU75, HSU75, MHU80, HSU80 Unit Heaters