Mr Heater Horizontal 4Inch Vent Kit
Category III 4in Stainless Steel Horizontal Vent Kit
Made to be used with the Heatstar by Enerco or Mr. Heater Big Maxx Indirect Fired Unit Heater for horizontal venting.
This kit is designed to fit the MHU75 HSU75 MHU80 and HSU80 model unit heaters.
It is designed for vertical installation only.
Other select parts may be required for your installation needs.
Vent kit for horizontal 4 in. exhaust Big Maxx Unit heaters Tube heaters Hot water heaters Stainless steel new 2012 standards
Includes: 1 - 3 in. to 4 in. adapter 1 - 4 in. x 12 in. B-vent pipe 1 - 4 in. x 24 in. vent pipe