PIPING HEATER DEVICE

PROBLEM TO BE SOLVED: To easily and accurately attach a piping heater to a plurality of pieces of aligned piping to be heated, and to heat the piping without causing temperature variations.SOLUTION: This piping heater is composed of: a temperature holding case 20 cylindrically extending to the outside of the piping P and formed of a heat insulating material; a heater body 30 which generates heat in the holding case; and an attachment bracket 40 which holds the heater body 30, is attached into the temperature holding case 20, engaged with and held at the piping P, and formed of a heat conductive elastic material. The piping P inserted into a piping engagement part 43 from the lid wall 22 of the temperature holding case 20 is engaged with and held at the piping engagement part with an air space S formed between the heater body 30 held at a heater holding part 42 and itself, and the heat generated by the heater body 30 heats the piping by the heat conductivity of the bracket, heat radiation via the air space S and convection in the space.