Maradyne 12 Volt Heater 12,500 BTU - Model 5110. Two-Speed Motor w/Built-In Fan Control Switch. Mounting Studs and Water Hose Connections at Rear.Case Material - 22 Gauge Steel. Fan Material made of Aluminum. OPTIONAL: Maradyne KT-12 Heater Hose Kit P/N H-64006 (not included). Air flow Heating : 150 CFM. CASE MATERIAL : 18 Gauge Steel. CORE MATERIAL : Tube & Fin. The item "Maradyne 12 Volt Heater 12,500 BTU Model 5110" is in sale since Sunday, August 30, 2015. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\12-Volt Portable Appliances". The seller is "rvandautopartsstore" and is located in Naperville, Illinois. This item can be shipped to United States, to Canada.