The AHD 20 is another outstanding controller from the Seltron family of compact controllers

It is a combination of a weather-controlled controller and a motor drive in a compact housing. It allows the control of a mixing valve and a circulating pump and can be easily and quickly attached to the various types of mixing valves on the market.
AHD vremensko voden regulator ogrevanja Seltron



    • Weather-controlled controller and motor drive combined in one compact housing.
    • Control of the mixing valve and circulation pump.
    • Easy and quick installation on different types of mixing valves on the market.
    • First time setting up the controller using the 4-step wizard.
    • Wired or wireless connection to the room unit.
    • Remote monitoring.

    User friendly interface

    The controller has a backlit colour graphic display with 240 x 240 pixel resolution, adjustable backlight intensity and automatic display orientation for readability regardless of mounting position. The keypad for adjusting the controller shall be located below the manual override knob of the mixing valve to prevent unwanted changes to the settings.

    Plug-in connectors

    The compact AHD controller has a socket built into the housing for connecting the power cable. This allows easy disconnection of the power supply in case of maintenance work, without the use of tools.
    The sensors and other connections are connected to the external connection box, where it is possible to connect: sensors T1-T4, BUS connection to other controllers, room unit.


    Easy time programme management for seltron rt1b and wt1b room thermostats

    Instructions for Seltron RT1B / WT1B room thermostat

    Watch the Seltron RT1B/WT1B room thermostat instruction video which guides you in detail through the process of connecting your thermostat to your smartphone, upgrading the software, synchronising the time and date, as well as setting heating timer programmes.

    Sobni termostat Seltron na steni

    New RT and WT room thermostats

    RT - We offer digital room thermostats that are mains or battery powered and can be wall-mounted or flush-mounted.
    WT - We have mains-powered or battery-powered wireless digital room thermostats that can be easily mounted on the wall or in a flush-mounted dock.

    Natančno merjenje sobne temperature s sobnim termostatom Seltron

    Exceptional measurement accuracy

    Seltron RT and WT room thermostats are the only ones on the market with a built-in algorithm to compensate for self-heating as a result of power and load connection.




    Dear customers!

    Please be informed that our store Seltron d.o.o. will be closed on the following days 12-13 January 2024 for annual inventory purposes.

    Thank you for your understanding.


    The Seltron service will be closed from 27 December to 29 December 2023.

    Any emergencies or issues that arise during our absence will be dealt with as soon as the service reopens on 3 January 2024.

    Thank you for your understanding.