Mr. Heater Portable Buddy MH9BX User Manual And Product Specifications page 4

Safety Instructions
This appliance shall only be used in an above ground open air situation with natural ventilation,
without stagnant areas, where gas leakage and products of combustion are rapidly dispersed by
wind and natural convection. Any enclosure in which the appliance is used shall comply with one
of the following:
1
1
1
(A) A n enclosure with walls on all sides, but with
(B) W ithin a partial enclosure that includes an
(C) W ithin a partial enclosure that includes an
(1) A t least 25% of the total wall area is
(2) 3 0% or more in total of the remaining wall
(3) I n the case of balconies, 20% or more of
2
2
no overhead cover.
overhead cover and no more than two walls.
overhead cover and more than two walls,
the following shall apply:
completely open.
side, back and front wall areas is open and
unrestricted.
the total wall area shall remain open and
unrestricted"