replacing back window on an Itasca Navion
We have a 2007 Itasca Navion. This floor plan puts the bathroom at the back, with a fixed (non-opening) window just above the biffy (also known as toilet), on the back wall of the RV. We like to s...
Forum Discussion
Find a copy of nfpa 1192 for your year model. I believe what you have is not a "ventilation" window, but an emergency exit, which is "Normally unopenable alternate exit" or "emergency exit".
See bolt font below.
6.4.3 Combustion Engine Exhausts and Vehicle Wall Openings.
6.4.3.1 The terminus of combustion exhausts shall extend beyond the periphery of the vehicle and discharge exhaust gases away from the vehicle. Diesel exhaust systems complying with EPA emissions regulations effective January 1, 2007, shall be permitted to have the terminus no more than 12 in. (305 mm) inside the periphery of the vehicle and shall discharge exhaust gases away from the vehicle.
6.4.3.2 The terminus of combustion exhausts other than the primary mover engine shall not be permitted within a vertical distance of 36 in. (914 mm) below any expandable portion of the recreational vehicle.
6.4.3.3 Combustion exhaust components installed by the recreational vehicle manufacturer shall not extend or protrude in a manner that could subject them to road damage.
6.4.3.4 Combustion exhaust shall not terminate so that a communicable air passage exists into the living area within an area defined by a distance of 6 in. (152 mm) measured from the tailpipe terminus perimeter as projected onto the vehicle side.
6.4.3.5 Vents or windows that can be opened for ventilation shall not be installed in the rear wall of motorhomes and truck campers.
6.4.3.6 Normally unopenable alternate exit windows shall be permitted in rear walls.
6.4.3.7 Rear entry doors with fixed windows shall be permitted in truck campers.
6.4.3.8 Rear entry doors with fixed windows shall be permitted in motorhomes, provided that no combustion exhausts discharge from the rear of the vehicle.
See bolt font below.
6.4.3 Combustion Engine Exhausts and Vehicle Wall Openings.
6.4.3.1 The terminus of combustion exhausts shall extend beyond the periphery of the vehicle and discharge exhaust gases away from the vehicle. Diesel exhaust systems complying with EPA emissions regulations effective January 1, 2007, shall be permitted to have the terminus no more than 12 in. (305 mm) inside the periphery of the vehicle and shall discharge exhaust gases away from the vehicle.
6.4.3.2 The terminus of combustion exhausts other than the primary mover engine shall not be permitted within a vertical distance of 36 in. (914 mm) below any expandable portion of the recreational vehicle.
6.4.3.3 Combustion exhaust components installed by the recreational vehicle manufacturer shall not extend or protrude in a manner that could subject them to road damage.
6.4.3.4 Combustion exhaust shall not terminate so that a communicable air passage exists into the living area within an area defined by a distance of 6 in. (152 mm) measured from the tailpipe terminus perimeter as projected onto the vehicle side.
6.4.3.5 Vents or windows that can be opened for ventilation shall not be installed in the rear wall of motorhomes and truck campers.
6.4.3.6 Normally unopenable alternate exit windows shall be permitted in rear walls.
6.4.3.7 Rear entry doors with fixed windows shall be permitted in truck campers.
6.4.3.8 Rear entry doors with fixed windows shall be permitted in motorhomes, provided that no combustion exhausts discharge from the rear of the vehicle.
