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Vaillant Manuals & User Guides

Vaillant is a leading international manufacturer of heating, ventilation, and air-conditioning technology, specializing in high-efficiency boilers, heat pumps, and smart home controls.

Tip: include the full model number printed on your Vaillant label for the best match.

About Vaillant manuals on Manuals.plus

Vaillant is a family-owned global market leader in the field of heating, ventilation, and air-conditioning (HVAC) technology. Founded in Remscheid, Germany, in 1874, the company has pioneered innovations in home comfort for over 145 years. Vaillant offers a comprehensive portfolio of energy-saving products, including high-efficiency gas condensing boilers, air-to-water and ground-source heat pumps, solar thermal systems, and hot water cylinders.

Beyond hardware, Vaillant integrates smart technology into its products through the myVAILLANT ecosystem, allowing homeowners to manage their heating and energy consumption remotely via intuitive apps and wireless thermostats. Committed to sustainability, Vaillant focuses on developing improving efficiencies and promoting renewable energy solutions to reduce carbon emissions in residential and commercial properties.

Vaillant manuals

Latest manuals from manuals+ curated for this brand.

myVAILLANT App User Guide

October 29, 2025
myVAILLANT App Specifications: Product: myVAILLANT app User Guide Version: 3.0 Compatibility: Vaillant boiler with myVAILLANT connect internet gateway and compatible thermostat OR Vaillant heat pump with myVAILLANT connect internet gateway…

Vaillant VRT15 Room Thermostat User Guide

March 21, 2025
Vaillant VRT15 Room Thermostat Specifications Product Name: Vaillant Controls Manufacturer: Vaillant Features: Weather Compensation, Load Compensation, Smart Home Integration, Lower Consumption Product Usage Instructions Setting up Vaillant Controls: Install the…

Vaillant Sustain Leading Boilers Installation Guide

January 11, 2025
Vaillant Sustain Leading Boilers Product Specifications Flue Size: 80/125 mm or 60/100 mm Side Flue Centre Dimensions: 279mm x 249mm x 162mm Boiler Top Clearance: 20mm Rear Flue Minimum Clearance:…

Vaillant ecoTEC Installationsanleitung für Heizsysteme

Installation Guide
Detaillierte Installationsanleitung für Vaillant ecoTEC Heizsysteme (Modelle 0020201895, 0020201897, 0020201898). Enthält technische Diagramme, Montagehinweise und wichtige Sicherheitshinweise für Fachpersonal.

Vaillant Hybrid-Kit Installationsanleitung

Installation Manual
Umfassende Installationsanleitung für Vaillant Hybrid-Kit Heizsysteme mit aroTHERM Wärmepumpen. Enthält detaillierte Schritte zur Montage, Hydraulik, Elektroinstallation und Inbetriebnahme für Fachhandwerker.

Vaillant calorMATIC VRT 350 Bedienungsanleitung

Operating Manual
Umfassende Bedienungsanleitung für den Vaillant calorMATIC VRT 350 Raumtemperaturregler. Enthält detaillierte Informationen zu Sicherheitshinweisen, Produktbeschreibung, Bedienung, Einstellungen, Zeitprogrammen, Betriebsarten, Störungsbehebung, Wartung, Garantie und technischen Daten.

Vaillant manuals from online retailers

Vaillant 065113 Heat Exchanger Instruction Manual

065113 • February 11, 2026
Comprehensive instruction manual for the Vaillant 065113 Heat Exchanger, compatible with VC-W 196-/2, VSC, and VHR18-22CVUW246-/2(GB) systems. Includes detailed guidance on installation, safe operation, routine maintenance, and troubleshooting…

Vaillant support FAQ

Common questions about manuals, registration, and support for this brand.

  • Who should install my Vaillant product?

    Installation, inspection, maintenance, and repair of Vaillant products must only be carried out by a competent person or skilled tradesman using the appropriate tools and safety measures.

  • What is the myVAILLANT app?

    The myVAILLANT app allows users to control their compatible Vaillant boiler or heat pump remotely. Features include setting heating schedules, monitoring energy usage, and managing individual heating zones.

  • How do I reset my Vaillant room thermostat to factory settings?

    To reset the thermostat (e.g., VRT 51f), remove the batteries, then re-insert them while holding the system button for four seconds until the LED flashes orange. Release, then press the button again for four seconds until it lights up green.

  • What does 'Weather Compensation' mean on Vaillant controls?

    Weather compensation uses local weather data or an outdoor sensor to monitor outside temperatures. The system automatically adjusts the heating output to maintain the desired indoor temperature efficiently, reducing energy consumption.

  • Can children use Vaillant products?

    Products like Vaillant cylinders can be used by children aged 8 years and above only if they have been given supervision or instruction concerning the safe use of the product and understand the hazards involved.