As a full-automatic package type with light insulating casing, LDR Type Electric Boiler is made of stainless steel tube with chromium-nickel steel electric heating unit. LDR type makes use of electric heating unit exempted from cleaning through disassembling, thus it is a reliable heating unit, and both working life of the electric heating unit and the overall property of boilers can be increased.
If hot water temperature of outlet is below the set value, the interlocking system will operate alarming, automatic water pumping of the system and self-protection of boiler in case water will cut off. The electric boiler is also equipped with self-protecting device against leakage of electricity, absence of phase, open circuit and breakdown. The switchover between automatic and manual PLC is completely at the disposal of users. No personnel are needed to keep guard.