FIELD: heating of rooms. SUBSTANCE: electric terminal of electric water heater is connected to middle part of inner electrode and is brought out through wall of tubular electrode. Thread-mounted on each end of inner electrode arms are is one insulating cap with polyhedral outer surfaces. Fitted on each arm of electrode is nut runner with radial magnetic circuits controlled by portable electromagnetic key, power supply unit of electric heater has AC and DC supply elements. EFFECT: enlarged operating capabilities. 4 cl, 4 dwg
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|---|---|---|---|
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