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

169.00 €
incl. 19% VAT
plus shipping and handling

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