The THERM ELN 15 electric boiler can be used as universal heat source for heating flats, family houses and cottages. The boilers can also be used to heat water in an external storage tank. In this case, the boiler must be fitted with accessories - a three-way valve. The indisputable advantage of a heating system with an electric boiler is the very low acquisition costs - there is not need for an expensive gas or chimney connection.

The boiler must be installed and connected by a professional company. The electric boiler also operates with a rate switch, which runs the boiler in at a reduced rate. The THERM ELN 15 electric boiler offers quite operation and simple servicing. The boiler is supplied in white.


Recommended retail price: on request

eu_flagThe product THERM ELN 15 complies all legislative, safety, healthy and environmental requirements of the European Union and CE mark enables the free movement of products within the market of the European Economic Area.

View the ErP label
  • Quiet operation due to selected switching relays
  • Fluent regulation in low steps by 5 kW
  • Minimum output of the boiler 5 kW
  • User-friendly two-digit LED display
  • Safety switch contractor
  • Option to control output temperature with 0 - 10 V signal
  • There is also the option to heat water in an external reservoir and to fit with a three-way valve
  • HDO communication - remote switching of the operation to a low rate by the electricity supplier
Technical data Unit THERM ELN 15
Class of seasonal energy efficiency of heating - D
Nominal heat output kW 15
Minimum regulation level of the output W 5 000
Rated current (single-phase connection) A 22
Level of electric coverage - IP 40
Supply voltage / frequency V/Hz 3 x 400 + N + PE/50 ~
Maximum rated current A 3 x 24
Main circuit breaker for electric installation A 25
Rated current of the control circuit breaker A 1.25
Electric service life of relay - 1.105 cycles (16 A, 250 V/50 Hz)
Mechanical service life of relay - 10.106 cycles
Input - output of heating water - G 3/4" outer
Min. – max. working overpressure of heating system bar 0.8 - 3.0
Maximum temperature of heating water °C 80
Water volume of the boiler l 9.6
Efficiency at the rated power % 99.5
Volume of expansion tank l 7
Dimensions: height / width / depth mm 820 / 400 / 235
Weight of the boiler without water kg 33
Order number - 1612