Hot watt presents coil heaters [micro tubular heaters]. These coil heaters are used on hot runner nozzles, manifolds, packing machines, and die cast nozzles, etc. The coil diam-eter is 10 mm onwards with wattage up to 2000 w. These coil heaters are used in places where space availabil-ity for heating and installation is very limited. The heaters are available with or without built in thermocouple [j or k]. Different types of ter-mination exits are possible to suit individual requirements. The cross section of the coil available is 4 x 2 and 3 x 3 mm.