5.2.3 Location of Propane Containers
5.2.3.3 Propane containers with their control valves shall be installed in compliance with one
of the following:
(1) Mounted in a recess or compartment other than on the roof that is vapor resistant to
the inside of the recreational vehicle.
5.2.6 Ventilation of Compartments Containing Propane Containers.
5.2.6.1 Compartments shall be ventilated at or near the top and at the extreme bottom to
facilitate diffusion of vapors.
5.2.6.2 The compartment shall be ventilated with at least two vents, each having an
aggregate free area equal to at least 0.5 in.2 for each 7 lb (3.23 cm 2 per 500 g) of the total
propane fuel capacity of the maximum number of the largest cylinders the compartment can
hold.
5.2.6.3 If the lower vent is located in the access door or wall, the bottom edge of the vent
shall be flush with the floor level of the compartment.
5.2.6.4 The top vent shall be located in the access door or wall, with the bottom of the vent
within 12 in. (305 mm) of the ceiling of the compartment.
5.2.6.5 Vents shall have an unrestricted discharge to the outside atmosphere.
5.2.6.6 Doors or panels providing access to valves shall not be equipped with locks or
require special tools to open.