Product description

Temperature control
as you expect

Euroster 4040 controls the operation of devices giving the ability to set the temperature in the room, adapting the boiler to the lifestyle and preferences of residents. It allows convenient control of heating from one place in the house, offering a wide range of functionalities for optimal comfort and at the same time energy saving. If you know the problem of overheated rooms in which children are staying, or the elderly or unnecessarily heated in the absence, the use of the Euroster 4040 regulator will be a great solution. Euroster 4040 has many innovative solutions that set technological standards in this type of equipment.

Smart PWM function

A perfect comfort by smart activation based on temperature increase algorithm. A guarantee of stable temperature without the hysteresis differential.

Heating in advance

The thermostat operation with the controlled heating or cooling source that guarantees the achievement of the expected ambient temperature at a given point in time.

Flexible operating modes

An easily available switch enables users to switch between heating and cooling operation or switching the thermostat off after the heating season.

Well-designed software

An effortless, intuitive method of setting basic parameters featuring an extended menu for expert technicians.



  • Readable, backlit e-paper display
  • Two temperature levels: comfortable and reduced
  • The ability to work in one of three modes:
    • room temperature control
    • floor temperature control
    • room temperature control with floor temperature limitation
  • Programming ranges with an accuracy of 0.5 hours
  • Simultaneous display of current and target temperatures on the screen
  • Controller lock with any 4-digit code
  • A number of useful functions: temporary temperature setting, keyboard lock function, constant temperature, holiday mode, low battery indication
  • Temperature reading with an accuracy of 0.1 ° C
  • Possibility to turn off the regulator after the heating season with the anti-freezing temperature on
  • Correction of temperature indications
  • Surface mounting


EUROSTER 4040 – deklaracja zgodności.pdf
EUROSTER 4040 – instrukcja obsługi.pdf
EUROSTER 4040 – karta katalogowa.pdf
EUROSTER 4040 - user manual.pdf
EUROSTER 4040 - catalog card.pdf

Technical data

Euroster 4040

Controlled device heating / air conditioning systems
Supply voltage 3 V - 2 AAA alkaline batteries
Load 5 A 250 V 50 Hz
Regulator output relay, voltageless, SPDT
Temperature measurement range from 0 ° C to + 100 ° C
Temperature adjustment range from + 5 ° C to + 35 ° C, from + 5 ° C to + 85 ° C in floor temperature measurement mode
Accuracy of temperature control 0.1 ° C
Accuracy of temperature indications 0.1 ° C
Hysteresis range from 0.2 ° C to 10 ° C in 0.1 ° C steps or PWM mode
Working temperature from + 5 ° C to + 45 ° C
Storage temperature from -10 ° C to + 50 ° C
Level of security IP 20
Colour white / gray
Mounting method wall, wall plugs
Controller weight without batteries 120 g
Standards, approvals, certificates compliance with EMC, LVD, RoHS directives
Temperature controller class IV (PWM mode)
Participation in energy efficiency 2% (PWM mode)
Warranty 2 years
Dimensions: width / height / depth (Mm) 102/97/26
Equipment Euroster 4040 temperature controller, wall plugs, batteries, user manual with warranty

Where to buy

You will find us easily
throughout the country

The Euroster Distributor Network is available throughout the country. Select a province from the list below and search for a Euroster distributor in your area. Do you want to become a Euroster distributor or are you our distributor and your company is not on the list? Contact us!

Customer service

tel. 65 571 15 16
Mon. - Fri: 7:00 a.m. - 4:00 p.m.


Please contact us
with our representatives

Service and support

Grzegorz Janusik
tel. 65 571 20 12

Find a distributor

Program Inteligentny Rozwój Program Regionalny Samorząd woj. wielkopolskiego UE EFRR