We are a Leading Manufacturers, Suppliers & Dealers of Duct Unit Air Heater. IH Flanged and insert duct unit aie heaters have finned tubular sheathed heaters, secured by mounting bushes into a terminal box, where the heaters can be prewired for a specified number of stages if required. The Flanged type is supplied complete with a robust, rust resistant metal frame and internally insulated with a non combustible material of thermal conductance not greater than 30 Kw / meter square at 100°C, the insert type with a heavy gauge mounting flange. We recommend for all duct heating a minimum air velocity of 1 m/s and maximum of 6 m/s . Thermal cutout or manual reset thermostats can be incorporated when specified . Application : Forced Air Heating : Installation for comfort and process air heating Comfort Heating : Can be installed in new or old ducts for complete or supplementary heating in central and air-conditioning systems Process Air Heating : For complete process air heating , makeup air , and recirculating oven heating for drying , baking and preheating and other industrial processes requiring heated. Controls : An adjustable set point over temperature manual reset thermostat, digital controller.