Mr. Heater F102848 4 Vertical Vent Kit

Designed for vertical installation only for MHU80 and HSU80 model unit heaters. Other select parts may be required for your installation needs. Please check and adhere to all state and local codes before installation. Includes 1 3″ to 4″ adapter. 1 4″ x 36″ B-vent pipe. 2 4″ x 24″ vent pipe. 1 4″ 90 degree elbow wall fire stop roof flashing storm collar and vent cap.