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Why Vaillant?
Because there's smart
and then there's vSMART
Vaillant vSMART
The USER Guide

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Ria
June 3, 2025

Hi, Controller not working after batteries have been changed.

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Summary of Contents for Vaillant vSMART

  • Page 1 Why Vaillant? Because there’s smart and then there’s vSMART Vaillant vSMART The USER Guide...
  • Page 2 The Vaillant vSMART app allows you to take total control of your heating and hot water anytime, anywhere, from your smartphone or tablet. Featuring multiple tailored time and temperature profiles, the vSMART gives you the ability to schedule your home heating around your lifestyle.
  • Page 3 The bold temperature on the left is the app. the current room temperature. Search for “vSMART” in the Apple App Store or Google Play to unlock your new generation of control from Vaillant. Temperature Decrease...
  • Page 4 Setting up time programs Now you have downloaded the vSMART app and you have created an account. vSMART will ask you a number of questions about your lifestyle in order to create the perfect heating and hot water schedule for you.
  • Page 5 Going away? let your vSMART know From time to time you may want to manually override your heating set Going on holiday? Let vSMART know by pressing the temperature, you can do this quickly and easily by following the steps below.
  • Page 6 Using hot water boost Need to give your hot water a quick boost? simply press the Hot Water Boost Press the System Mode button on your app and the vSMART will tell your boiler to produce more hot arrow in the bottom water.
  • Page 7 The USER Guide Manually altering your heating and hot water schedule - week overview Manually altering your heating and hot water schedule - add a heating period or profile Choose the day you wish to edit Press the clock symbol in the top right hand corner of the main display to access the...
  • Page 8 This section provides you with useful FAQ’s. If you are unable to find the answer to the question within the FAQ, you have the ability to contact Vaillant by pressing ‘Contact’ My Account In this section you can log out of the...
  • Page 9 The USER Guide Thermostat settings Changing your batteries Display shows: 1. Batteries are low, consider replacement Press the menu icon to 2. Batteries must be replaced access the settings menu To replace the batteries 1. Remove the thermostat from the wall bracket or table stand.
  • Page 10 The USER Guide Caring for vSMART Clean the surface of the product with a damp cloth and a little solvent-free soap. Do not use sprays, scouring agents, detergents, solvents or cleaning agents that contain chlorine, this will damage the product materials.
  • Page 11 Telephone: 0330 100 3143 Technical Enquiries Sales Enquiries For installers wishing to purchase For technical assistance: Vaillant products, this is possible Telephone: 0344 7360049 either over the counter or as a next Email: technical@vaillant.co.uk day service at most plumbing and heating merchants in the UK.

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