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The Starter is the device which, when connected to your heat generator (boiler or heat pump), efficiently manages the production of hot water to heat one or more zones in the house, only when required to do so by the valves or thermostat. With the Starter you can manage both the switching on and off of your heat generator (boiler or heat pump) and the storage of domestic hot water.

*In order to use the Starter, you need to own at least one Connection Unit and download the app free of charge.

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Included in the package

  • 1x Starter
  • 1x Wall plate
  • 2x Wall fixing screws
  • 2x Wall plugs

Discover a new way to enjoy comfort

The IRSAP NOW Starter is the ideal solution, as it follows your lifestyle. It also helps you to save energy.

  • High compatibility

    The Starter is compatible with all generators (boilers or heat pumps) available on the market

  • Wireless communication

    Control the Starter when and where you want with the IRSAP NOW app.

  • Domestic hot water

    Schedule when to turn on your heat generator (boiler or heat pump) to have hot water ready to use in your home.

  • Always under control

    Check your heating with your smartphone and activate your generator (boiler or heat pump) automatically when you are arriving home.

Domestic hot water

No more cold showers With the Starter, you can manage when to turn on your heat generator (boiler or heat pump, to optimise the storage of domestic hot water only when you actually need it.

Full control of your boiler.

IRSAP Starter interfaces with modern heat generators (boilers or heat pumps) that are compatible with OpenTherm to optimise functioning.

Wireless Communication

With the IRSAP NOW app, you can control your heat generator (boiler or heat pump) wherever and whenever you want. Thanks to wireless communication you can remotely manage domestic hot water temperatures and when to turn on the heat generator (boiler or heat pump). Thanks to the wireless communication function, you can also manage the Smart Thermostat and Smart Valves installed on your radiators.

NOW, heat turns smart.

Emergency switch on
If you need to activate your heat generator manually (boiler or heat pump) for annual maintenance or a power outage (if you have not set automatic time intervals), you can use the IRSAP NOW Starter.
Clear boiler status
The LED indicator will let you control the status of your boiler at any time.
Multiple applications
Thanks to the IRSAP NOW Starter, you can manage any type of heat generator (boiler or heat pump), thanks to various interfaces (Relay, 0-10V;OpenTherm, Modbus).
Used with Smart Thermostat
If you would rather not wire your Smart Thermostat and position it in a specific room, for example to keep air quality and temperature under control, you can always connect an IRSAP Starter to your heat generator (boiler or heat pump).
Automatic updates
The Starter is always connected and updates automatically every time there is a new software version.
In-App notifications
In case of anomalies or if the batteries on your Smart Thermostat are flat, the system will send a notification to your smartphone, so you always can keep everything under control.

“OK Google, set the living room temperature to 22 degrees”

The IRSAP NOW System is compatible with all main voice assistants. Find out how simple it is to change the setting of your system using your voice.

Technical Specifications

280 gr
Materials and Colours Materiale




Installation requirements

IRSAP NOW Connection Unit required*

Smartphones (iOS, Android or HarmonyOS)

Minimum Requirements: iOS 10 - Android 7

Power supply

USB: 220 V AC – 5 V DC

Radio frequency 868 Mhz
Interface and display
User Interface

LEDs RGB Indicator



Compatible with the majority of generators (boiler or heat pump)

2 x Clean contact relay or voltage contact







2-year standard warranty

Check compatibility with your system

Autonomous Heating

The Starter is compatible with most types of generator (boilers or heat pumps).

Centralised Heating System

The Starter can be used with zone valves.

Discover the installation that suits you

DIY Installation

You can install your IRSAP NOW System quickly and easily. As well as the detailed tutorials inside the app, our engineers are available to help you.

Professional Installation

Would you prefer a professional to do the job? If you wish, you can purchase our installation service simply by adding it to your basket. Our approved installers will contact you to come to your house and install the system that you have purchased.

Find out the solution
best suited to you

Go to configurator

Frequent questions

What is the IRSAP NOW System?
The IRSAP NOW System is the innovative app-manageable heating control system, with which you can control the operation of the boiler or heat pump and adjust the room-by-room temperature whenever you want, following your lifestyle and needs. The Connection Unit and the App are the essential elements of the NOW System, to which are added the Smart Valves, the Smart Thermostat, the Starter and the Connection Unit in Repeater mode. (homepage link)
How can I check the compatibility of the IRSAP NOW System with my heating system?
To check the compatibility of the IRSAP NOW system with your system, you can use the configurator. (link) In general, the IRSAP NOW System is compatible with all boilers and heat pumps, all thermostats and most thermostatic valves on the market.
Does the IRSAP NOW system save me money on my heating bill?
The IRSAP NOW system allows you to optimize consumption thanks to the temperature management specific to each individual environment at home, thus avoiding waste. From a study carried out by the University of Bergamo, savings can be up to 42% if the IRSAP NOW system is installed in a radiator system, where the zones and time slots are not managed. In addition, through the dedicated IRSAP NOW App, you will receive indications and advice on how to save money, both through a usage indicator (savings sheet--> image), and with specific notifications (e.g. open window notification).
f I install the IRSAP NOW System can I take advantage of the tax deductions related to energy efficiency? (ITALY ONLY)
Yes, the NOW System can be included in the Ecobonus 65% and Superbonus 110% deductions, but not as a single element (or driving) efficiency. ATTENTION: if you intend to buy the NOW System and take advantage of the deductions, we remind you that the purchase must be made by "speaking transfer", not online. For this, you can contact one of our authorized resellers (link). According to Art. 11 of the Energy Efficiency Decree the characteristics that a system must possess in order to access the home automation bonus are as follows: "In the case of installation of building-automation systems, installed in housing units jointly or independently of the replacement of winter air conditioning systems, the asseveration, or suitable documentation produced by the equipment supplier, specifies that the aforementioned technology adheres at least to class B of en 15232 and allows the automatic personalized management of heating systems or production of domestic hot water or summer air conditioning in a manner suitable for : a) show through multimedia channels energy consumption through the periodic provision of data. The measurement of consumption can also take place indirectly with the possibility of using the other measurement systems installed in the plant as long as they are working; (b) show the current operating conditions and the control temperature of the installations; c) allow the weekly switching on, shutdown and programming of the systems remotely."
How do the elements of the NOW System communicate with each other?
The devices of the NOW System communicate with each other wirelessly, via radio frequency. The devices that need to connect to the power outlet are the Connection Unit/Repeater and the Starter. Smart Valves and Smart Thermostats run on batteries instead. In addition, the Connection Unit must also be connected to the home router via Ethernet cable (included in the package). Additional cable connections may be made in cases where it is necessary to connect the Smart Thermostat and/or Starter to the heat generator.
Can I share the use of the IRSAP NOW System with other people?
Yes, the System can be easily shared across multiple users through the app. You can find more details in the "Multiuser Management" section in the app.
How many devices can be installed within the same System?
Within the NOW System, a maximum of i: 1 Connection Unit 25 Smart Valve 15 Smart Thermostat 3 Starter 5 Repeater
Can I install only some elements of the IRSAP NOW System or do I need them all?
You can only buy some devices, depending on your heating system: to get started, you can try our Kits (link shops). If you want to get maximum efficiency and control over your system, we recommend that you install all the necessary devices; to find out which ones, use our configurator. (link)
Who can I contact for the installation of the IRSAP NOW System?
You can request and purchase the IRSAP NOW device installation service from qualified and authorized IRSAP personnel here.
Where can I find the instructions for installing the IRSAP NOW System?
The IRSAP NOW system and its devices are designed to be installed both in DIY mode and professionally by authorized IRSAP personnel, for customers who prefer to rely on experienced technicians. The IRSAP NOW app will give you precise indications both for the DIY installation of the System and for its use. In addition, downloadable PDF files and video tutorials are available on the IRSAP website, which describe the procedures for installing all devices (links).
In the event of an Internet connection outage, what happens to the IRSAP NOW system?
In the event of an Internet line outage, IRSAP NOW devices will continue to work following the latest saved configurations. In case you need to make urgent changes, you can make them manually on individual devices. After you reset your Internet connection, you can re-manage the IRSAP NOW system from your app without having to reset configurations.
I have an Irsap NOW system purchased before 2021, can I integrate the new devices?
Unfortunately, the previous version of the IRSAP NOW system is not compatible with this updated one. If you are in possession of the old NOW System and would like to purchase the devices of the new version, please contact us (link).
Which voice assistants is the IRSAP NOW system compatible with?
To activate IRSAP NOW you can rely on Amazon Alexa, Google Smart Assistant or manage it through IFTTT.

Irsap answers


Product configurator.

The shortest and simplest configurator on the market, because we always have a solution for you.
We are the most compatible product on the market, thanks also to our experience.