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Flange heating unit with its own operating and safety thermostat suitable as auxiliary heater for hot water tanks OKC NTR/BP, OKC NTRR/BP, OKC NTR/HP a OKCE S.
The heating unit is equipped with heating elements as well as an operating and safety thermostat with a DHW temperature range of 5–74 °C.
You can check the usability of the R units for the individual types and capacities of Dražice heaters in the usability table.