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Heating EOV-12, 12 kW 400 V, stainless steel, with pressure switch

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Electric flow heaters are designed for heating water in pools and hot tubs, the operation involves heating the flowing water with a heating element, the temperature of the heated water is set by a regulating thermostat. The heating element is switched on by a contactor controlled by the aforementioned thermostat and a flow indicator. Therefore, heating requires what is called a 'big control system' - a 24-hour filtration programmer, a current protector (protection against dangerous touch voltage), motor thermal protection, contactor, and heating switch.

Pool electric flow water heaters types EOV, EOVp, EOVk, EOVTi, EOVnTi, and EOVn are specially designed for heating pool water or water in other water circuits with a flow and temperature of up to 40°C. Each heater must be installed in an electrical system behind a current protector. Therefore, we recommend supplementing the device with a suitable type of automatic control from VÁGNER, which reliably ensures not only the desired comfort but also operational safety. The difference between EOV and EOVp lies in the use of plastic as the cover material and the use of a flow valve instead of a pressure switch as the protective element for water flow.


Each EOV electric heater:

  • utilizes the conversion of electrical energy into thermal energy
  • is made of high-quality stainless steel with a predominance of TITANIUM AISI 316 (EOV type)
  • is made of high-quality PVC (EOVp type)
  • has a heating cartridge made of stainless material INCOLOY 800 with a predominance of TITANIUM, which guarantees the best quality
  • is 100% pressure tested
  • can be connected to a water circuit via a 1.5" thread, a 50mm hose, or 50mm glue connection
  • is equipped with a thermostat up to 40°C and thermal protection
  • is equipped with a pressure switch, which controls the water flow (EOV type)
  • is equipped with 2 brackets for easy installation
  • higher power outputs up to 36 kW available by agreement upon order

Operating conditions:

  • Minimum water flow: 4 m³/h (when the pressure switch is pre-set to 1,000l/h)
  • Operating pressure: 0-3 bar
  • Connection: to a water circuit with a pipe diameter of 50 mm
  • Water quality: chloride content max. 150 mg/l
  • chlorine content max. 1 mg/l
  • pH range 7.0-7.8