Viessmann Vitodens 100 

The Perfect Combination of Value and Performance: Vitodens 100 Boilers.

Viessmann Vitodens 100 Gas Boiler

Efficient and Reliable
Heating Solution

The Vitodens 100 Gas Boiler is an ideal heating solution that delivers reliable and efficient performance. With its wall-mounted design and modulating stainless steel cylinder burner, this gas-fired condensing boiler is an excellent choice for homeowners looking for value, quality, and performance.

Contact The Boiler Shoppe to learn more about the benefits of using Vitodens 100 Gas Boiler and how it can help improve the comfort and efficiency of your home. Our team of licensed and professional technicians can assist you with installation, repair, and maintenance services.

Benefits of the Vitodens 100 Gas Boiler

High Efficiency

High Efficiency

All models boast 95% AFUE rating, ensuring optimal fuel utilization.

Great Value

Great Value

Offers an outstanding price to performance ratio with sleek design.

Fuel Flexibility

Fuel Flexibility

Can use both natural gas and liquid propane with no mechanical adjustments needed.

Installation and Maintenance

Installation and Maintenance

Bottom pipe connections and front access to serviceable components for easy installation and service.

Flexible Venting Options

Flexible Venting Options

Multiple venting options available with vent length up to 200 ft (61 m).

Compact and Lightweight

Compact and Lightweight

Its lightweight and zero clearance to combustibles design makes it an ideal choice for installations with limited space.

At The Boiler Shoppe, we specialize in finding the ideal heating solution that offers high efficiency and eco-friendliness to suit your home's specific needs.

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Technical Specifications of Vitodens 100 Gas Boiler

  • Fuel Flexibility

    Vitodens 100 Gas Boiler offers fuel flexibility with the ability to use either natural gas or liquid propane. This means that you can choose the fuel source that is most readily available and convenient for your location without the need for mechanical adjustments. Whether you're in a rural area with access to propane or in an urban area with natural gas connections, the Vitodens 100 Gas Boiler can adapt to meet your needs. Plus, with fuel flexibility, you can take advantage of fluctuating prices and choose the option that best suits your budget.

  • 95% AFUE Efficiency Rating

    The Vitodens 100 Gas Boiler boasts an impressive 95% AFUE (Annual Fuel Utilization Efficiency) rating on all models. This means that 95% of the fuel consumed by the boiler is converted into heat, resulting in reduced energy waste and lower energy bills.

    With such high efficiency, homeowners can rest assured that they are making an environmentally friendly choice while also saving money on their energy costs. The Vitodens 100 Gas Boiler's exceptional efficiency makes it a smart investment for any home.

  • Multiple Venting Options

    The Vitodens 100 Gas Boiler offers multiple venting options, making it a flexible choice for any installation. It allows vent length up to 200 ft (61 m) which gives homeowners and installers the freedom to choose the best venting solution for their specific needs.

    Additionally, the venting options are designed to be easy and hassle-free, ensuring that the installation process is as simple and convenient as possible. With these options, homeowners can rest easy knowing that their boiler is installed safely and efficiently.

  • Compact, Lightweight Design

    The Vitodens 100 gas boiler features a compact and lightweight design that makes it ideal for installations in limited-space areas. With zero clearance to combustibles, the unit can be safely installed in tight spaces, such as mechanical rooms, closets, and other areas with restricted access.

    This compact design also makes the unit easier to handle during installation, reducing the need for additional manpower or equipment. Additionally, the Vitodens 100 gas boiler offers multiple venting options with vent length up to 200 feet (61 meters), providing greater installation flexibility and making it easier to integrate the unit into a variety of residential or commercial heating applications.

  • Backlit LCD Touchscreen for Boiler Control

    The Vitodens 100 Gas Boiler features a user-friendly backlit LCD touchscreen for easy boiler control. The intuitive interface provides easy access to all settings and allows you to customize your heating preferences with just a few taps.

    This advanced control system also enables you to monitor your energy usage and adjust the heating output to ensure optimal energy efficiency. With the backlit LCD touchscreen, you have complete control over your heating system at your fingertips.

  • Rated input range from 21 to 125 MBH

    The Vitodens 100 gas boiler has a rated input range from 21 to 125 MBH, making it a versatile and efficient heating solution for a range of homes and buildings. This wide range of input options allows for precise sizing and control of the heating system to meet the specific needs of the space.

    With its modulating stainless steel cylinder burner, the Vitodens 100 is able to efficiently adjust the heating output according to the heat demand, resulting in reduced energy waste and lower operating costs.



Efficient and eco-friendly hot water heater with fully-modulating input for reduced energy waste. Compact and lightweight, exceeds Energy Star requirements with low emission combustion. Greater venting flexibility up to 200’.


Efficient, compact wall-mount hot water heater with low emission combustion and fully-modulating input to reduce energy waste. Exceeds Energy Star efficiency standards and offers flexible venting options up to 200’.


Energy-efficient and eco-friendly hot water heater with fully-modulating input and low emissions. Compact and lightweight wall-mount design, exceeding Energy Star efficiency requirements. Multiple venting options for greater flexibility and easy installation.

Vitotron 100

Efficient and flexible electric low-temperature heating with automatic output modulation. Compact design with an integrated 3-speed circulating pump and digital control unit. Can be used as a primary low-temperature heat source or as backup for existing systems.

Satisfaction Guarantee

Satisfaction Guarantee

At The Boiler Shoppe, our courteous team members will connect you with a licensed, knowledgeable and professional technician for your Viessmann Boiler needs. Our experts keep up-to-date with changing technology and industry advances through regular industry seminars and factory training classes.