VAILLANT Ecotec Plus 615

(1 customer review)


“Experience efficient heating and hot water with the reliable VAILLANT Ecotec Plus 615 gas boiler- bringing warmth to every corner of your home!”

SKU: 8993120 Category: Tags: , ,


Vaillant Ecotec Plus 615 gas boiler is a versatile heating system known for its exceptional efficiency and reliability. This compact boiler is designed to suit small to medium-sized homes and takes up minimal space, making it perfect for apartments and small flats. With advanced features and innovative technology, the Ecotec Plus 615 delivers instant hot water and a comfortable heating experience.

One of the most significant benefits of the Vaillant Ecotec Plus 615 gas boiler is its efficiency. The boiler has an A-rated energy efficient system, a high modulation range that adapts to the demand, and a preheat facility that increases efficiency by reusing excess heat. With these features, the system ensures efficient and reliable heating even during the winter months when temperatures drop below freezing.

The Vaillant Ecotec Plus 615 gas boiler is also user-friendly. The display screen is easy to read, and the control panel is effortless to navigate, allowing users to adjust the temperature and settings with ease. Moreover, the system has a built-in frost protection feature that helps to prevent the boiler from freezing in cold weather.

Another important feature is the Vaillant Ecotec Plus 615 boiler’s advanced safety measures. The boiler comes with safety features such as flame sensing technology and an anti-cycling control feature. These safety measures ensure safe operation and prevent the boiler from overheating or causing any accidents.

The Vaillant Ecotec Plus 615 gas boiler is also low maintenance. The boiler has a stainless-steel heat exchanger that is durable and resistant to corrosion. The heat exchanger’s material reduces the need for frequent maintenance, and the boiler requires cleaning only once a year.

In conclusion, the Vaillant Ecotec Plus 615 gas boiler is an excellent choice for anyone looking for a reliable, efficient, and user-friendly heating system. With advanced features, innovative technology, and low maintenance, this boiler delivers excellent value for money. Whether you’re upgrading your heating system or installing a new one, the Vaillant Ecotec Plus 615 gas boiler is an excellent investment.

Gas Boilers, A

VAILLANT Ecotec Plus 615 properties

Product nameEcotec Plus 615
TypeGas Boilers
Water HeaterYes
Energy Class LabelA
Heating Effect Gas15.0 kW
Height720.0 mm
Width440.0 mm
Depth338.0 mm

Additional information

Product name

Water Heater

Energy Class Label


Heating Effect Gas




1 review for VAILLANT Ecotec Plus 615

  1. Lennon Moss

    Compact, aesthetic with good performance at a reasonable price

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Frequently Asked Questions:

"How do I properly set up and operate my new VAILLANT Ecotec Plus 615 gas boiler for optimal efficiency?"

To ensure optimal efficiency when setting up and operating your new VAILLANT Ecotec Plus 615 gas boiler, please follow these steps:

1. Installation:
- Ensure the boiler is installed by a qualified installer who follows the manufacturer's instructions carefully. Make sure that the boiler is level and securely fixed to the wall. Connect the boiler to the mains gas supply and ensure that all pipework is correctly installed and secured with appropriate clips and brackets. Install the flue system as per manufacturer's instructions, ensuring a minimum clearance of 300mm is maintained around the boiler. Initial Setup:
- Follow the manufacturer's instructions carefully to set up the boiler. Configure the boiler for your specific requirements, such as the number of radiators and hot water cylinders being served by the system. Ensure that the boiler is programmed with a time clock or room thermostat for optimal efficiency. Regular Maintenance:
- Regularly check the boiler for any issues or faults, such as leaks or unusual noises. Address any problems immediately to prevent further damage and maintain efficiency. Schedule regular servicing by a qualified engineer to ensure that the boiler is operating efficiently and safely. The manufacturer recommends an annual service at a minimum. Periodically check the water level in the boiler, ensuring that it remains within the recommended range. Top up the system with water as necessary. Operational Tips:
- Use your time clock or room thermostat to set the temperature of your radiators and hot water cylinder to the minimum required for comfort. This will help to reduce energy consumption. Consider installing a smart thermostat, which can learn your preferences and adjust the temperature accordingly to further optimize efficiency. Use your programmer to schedule the boiler to operate during off-peak hours when electricity costs are lower. Ensure that any unused radiators or hot water cylinders are turned off using the relevant valves to prevent unnecessary heat loss. If you have a solar panel system, ensure that it is correctly connected and configured to work with your new boiler. This can further reduce energy consumption during peak periods. By following these steps, you should be able to set up and operate your new VAILLANT Ecotec Plus 615 gas boiler for optimal efficiency. Remember to always prioritize safety when working with gas appliances and consult the manufacturer's instructions whenever necessary.

"How do I properly install and connect the VAILLANT Ecotec Plus 615 gas boiler?"

Installing and connecting a Vaillant Ecotec Plus 615 gas boiler requires several steps to ensure it is installed safely and efficiently. Here's how you can do it:

1. Preparation - Before starting the installation, make sure you have all the necessary tools and materials such as a pipe cutter, soldering iron, flux, fittings, and seals. You should also have a wiring diagram to help with electrical connections. Disconnecting the old boiler - Turn off the gas and water supplies to your current boiler and disconnect it from the mains. Then remove the flue and any other components such as radiators or storage tanks, as required. Installing the new boiler - Place the Vaillant Ecotec Plus 615 in its intended position, ensuring there is enough space around it for ventilation. Follow the manufacturer's instructions to connect the flue and make any necessary pipework alterations. Ensure the boiler is level and securely fixed using the brackets provided. Electrical connections - Connect the electrical wires according to the diagram provided. If you're not comfortable working with electricity, it may be best to hire a licensed electrician for this task. Plumbing connections - Attach the cold water supply and the heating circuit. Use pipe fittings that are appropriate for your system's design. Make sure all connections are securely tightened and sealed using the recommended sealant. Commissioning and testing - Once everything is connected, turn on the water and gas supplies, and test the boiler. Check for any leaks or issues with the heating circuit. If you experience any problems during this process, consult the manufacturer's instructions for troubleshooting tips. Final checks - After testing, make sure all safety features are functioning correctly, such as the pressure relief valve and the frost protection sensor. Also, check that the boiler is operating at the correct temperature and output. Remember to follow all relevant health and safety guidelines when installing and working with gas appliances. If you're unsure about any step of the process, it may be best to consult a professional heating engineer for assistance. By following these steps carefully, you can ensure that your Vaillant Ecotec Plus 615 is installed safely and efficiently, providing reliable and efficient heating for years to come.

How to access VAILLANT Ecotec Plus 615 remotely using Smartphone - API Guide

Did you know that thanks to the API you can deny access to the boiler functions remotely? If you are interested in remote control of vaillant's parameters, e.g. using a tablet, computer or smartphone, we have solutions for you that allow you to access the control rail using the API Rest developed by our specialists. We invite you to read the materials available here.

How to setup VAILLANT Ecotec Plus 615 heating boiler?

If you purchased your VAILLANT Ecotec Plus 615 heating boiler and are wondering how to optimize its operation so that it works ecologically and economically we invite you to read our article about the heating curve.

What is a heating effect of VAILLANT Ecotec Plus 615?

This gas boiler has the power of 15.0 kW. If your house is old-fashioned or lacks insulation, this boiler will be enough for 83 square meters of space. However, if your home is modern and insulated this boiler will be enough for 150 square meters of space. If your house is within this range, check also the other gas boilers in our offer, the power of which is 15.0 kW.