Underfloor heaters consist of aluminum pipe sheath heaters welded to stainless plates.
Can be used as bottom plates of pots, since sheath heaters are welded to stainless plates.
Most suitable for heating water in pots and tanks.
Free from corrosion caused by water, since the heaters are not operated in water like heaters for in-water heating.
Underfloor heaters with stainless steel and high-nickel steel pipe sheath heaters are also available.
All-around welding is required to assemble, since these heaters are used as the bottom plates of pots and tanks.
Cannot be used without water when aluminum pipe sheath heaters are incorporated.