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Charging Boiler Controller EU-81 (ST-81) (DE.190)

  • Model: EU-81_st81_(DE.190)_WG.21.0076
  • Shipping Weight: 2 lbs
  • 2 Units in Stock
  • Manufactured by: Master

183.00 €
incl. 19% VAT
plus shipping and handling

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Principle of operation

EU-81 (ST–81) temperature regulator is intended for charging CH boilers. It controls the water circulation pump, hot usable water pump and the fan. Four optional modes of the pumps' operation: house heating, boiler priority, parallel pumps, summer mode. The controller's casing is adjusted to be assembled in the boiler's installation.

Functions performed by the controller:

  • control of the fan, CH pump and HCW pump
  • the possibility of connecting room regulator

Equipment of controller:

  • LCD display
  • CH temperature sensor and HCW sensor
  • has temperature protection (thermal overload relay)
  • panel casing for installation of the boiler, made of high quality materials resistant to high and low temperatures
  • the possibility of installation on the boiler in OM-01 casing


  • Manufacturer Info Master
  • Contact information in accordance with Art. 19 EU GPSR
  •  
  • Post Address:
  • TECH Sterowniki II
  • ul. Stefana Batorego 14
  • 34-120 Andrychow
  • Polen
  •  
  • Electronical Address:
  • Website: https://www.techsterowniki.pl

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This product was added to our catalog on Tuesday 01 October, 2013.

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