Make sure not to have Sheathed Heater exposure in the air. If in the there is air conduction (dry heat), Sheathed Heater gets extremely hot and cause early break and fire. To connect, use crimp terminal and tighten sefurely. Do not use vinyl wire. Use only for heating water. If you need to heat more than 100 deg C, use heat resistant wire.(Glass fiber cover, silicon rubber insulation wire etc.)
Material (sheathed heater)
C1220T (copper tube) nickel-plated
Temperature Controller Type
Protective Tube (Inner Diameter x Effective Length)(mm)
To prevent jacket type tank from cooling the 40 ° C hot water of the 400 liter tank during nighttime or consecutive holidays
On 2017-12-27 11:07:57
There are times when I use nothing without problems for 5 years, sometimes it breaks in one and a half years.
How long is the average life expectancy?
When arrived, the exterior box was torn and the heater bag was also torn.
I handed that the user could use it without problems, but it was not good as an impression.