Crane Cab Heater w/ switchNatural convection heaters are ideal for heating crane cabs, guard houses and other normally unheated areas. All heaters feature heavy-duty wirewound heating elements mounted in a rugged galvanized steel enclosure with perforated cover. All units are suitable for floor or wall mounting and have convenient knockouts for permanent conduit installation. Heavy-duty DC rated switches are also available for on/off or multiple heat settings.