The State Fire Marshal is issuing a warning about a recall of potentially dangerous furnaces. Jim Saunders is a spokesman for the Fire Marshal, and describes the furnaces involved.He says they’re Coleman, Coleman Evcon, and Red T Brand furnaces sold between 1995 and 2000, as both original equipment and replacement furnaces typically found in manufactured homes and mobile homes. Saunders says you can find the name of your heater on the middle of the front access panel. Saunders says the company is making a voluntary recall of the furnaces because of a potential danger. He says the furnaces can overheat, causing the heating exchanger to crack and put extreme heat on material near the furnace, staring a fire. Saunders says there haven’t been any reports of problems with the heaters reported in Iowa, but the Fire Marshal wants people to be aware of the recall. Saunders says you can contact the manufacturer if you find your furnace is part of the recall. He says you can contact Unitary Products Group at:888-665-4640 or visit their website at www.dgatprogram.com. Saunders says the company should give you all the information you need on the recall.