The furnaces were improperly installed. A 1 1/4" minimum overlap between the chamber exhaust tube and the vent assembly exhaust IS needed for proper exhaust.
The risk
This condition can lead to carbon monoxide poisoning.
System: furnace; recreational vehicle.vehicle description: 1995 and 1996 models 1661 and 1902 and 1996 model 1850 equipped with a suburban dd-17p furnace.note: owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time,should contact skyline at 1-800-962-7773. Also contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.