Image of Viessmann Vitodens 100-W Open Vent 32kw

Viessmann Vitodens 100-W Open Vent 32kw

Nice choice for larger family homes with
5 bedrooms and 2 bathrooms

All prices are fully fitted and include VAT

*Please note that all prices are subject to survey

£3100
inc vat
£116.25

/mo 24 months
(0% apr)

Boiler Specs

Warranty 10 year manufacturers warranty
Boiler Type
Efficiency 94%/A
Max Output 32kw
Flow Rate N/A
Dimensions W 375mm, D 295mm, H 600mm
Horizontal Maximum Flue Length 10m
Vertical Maximum Flue Length 10m

Boiler Description

This Vitodens 100-W 32kw Open Vent boiler offers both power and performance. It is a highly efficient boiler and has low operating noise. Due to its compact size, this boiler is perfect for installations where space is limited.

Why Choose Us?

Next day boiler installation - subject to availability.

Next Day Installation

Subject to availability.

Free wireless programmable room thermostat with each new combi boiler.

Free Wireless Programmable programmer

With every new combi boiler installation

What's included in your package?

In your package is everything you need to make your installation go as smoothly as possible.

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Free Celsius Aftercare

With our aftercare service we promise to keep your boiler in tip top shape. We will register the boiler warranty for you, deal with any boring paperwork and ensure you receive fast track priority for any warranty repairs. Our aftercare service also comes with discounted in-warranty boiler servicing and we will even remind you when your annual service is coming up! To see a full breakdown as well as terms and conditions please click here.

Celsius are Viessmann accredited installers and service engineers.

Viessmann Accredited Installers

Celsius Plumbers have been awarded accredited installer status by Viessmann.  Benefits of working with an accredited installer include:

  1. Extended Warranties.
  2. Fully trained and certified engineers.
  3. Expert installation.

Viessmann Vitodens 100-W Open Vent 32kw

The Viessmann Vitodens 100-W Open Vent 32kW is a powerful and highly efficient boiler, purpose built for larger homes with higher heating and hot water demands. Whether you’re upgrading from an older open vent system or fitting out a property with multiple bathrooms and a sizeable radiator system, this model delivers consistent, reliable performance.

It combines German engineering quality with practical design, featuring Viessmann’s trusted stainless steel heat exchanger for long lasting efficiency. Despite its high output, the unit remains compact and quiet, making it suitable for discreet installation in utility rooms or lofts.

Backed by a warranty of up to 10 years, this boiler offers not just power, but peace of mind.

If your property doesn’t require quite as much output, the Vitodens 100-W 19kw Open Vent and Vitodens 100-W 16kw Open Vent offer the same quality and reliability, with lower capacity better suited for smaller homes or flats. These models still provide excellent efficiency and a compact design, making them ideal for traditional systems with lower heating demand.

Whether you need high performance or something more modest, the Vitodens 100-W range has a model to suit your home perfectly.

Our engineers review of the Viessmann Vitodens 100-W Open Vent 32kw boiler

“The 32kW Vitodens 100-W has become my go-to for larger homes running open vent systems. Just installed one in a big Victorian property with multiple bathrooms, and it didn’t miss a beat.

What impressed me most was the responsiveness. The system heated up quickly, and the output was more than enough to keep everything running smoothly, even during peak demand. You can tell it’s built for performance.

It’s a well thought out boiler, solid components, easy access for servicing and clear wiring layout. Viessmann haven’t cut corners here.

For homeowners upgrading an older open vent system and needing a bit more grunt, this model hits the mark. I’ve already got another install booked in next week.”

Michael – Gas Safe Certified Engineer @ Celsius.

What is the total maximum horizontal flue length?

The total maximum horizontal flue length is 8 metres minus any flue kit options or bends.

What is the total maximum vertical flue length?

The total maximum vertical flue length is 10 Metres – minus any bends.

What should be deducted off the total flue length for each 90 degree flue bend?

1 metre needs to be deducted off the total flue length.

Example, if there are 2 x 90 degree flue bends needed for the installation, the maximum horizontal flue length would be reduced to 6.0 metres and 8 metres in total for vertical flue installations.

What should be deducted off the total flue length for each 45 degree flue bend?

0.6 metres needs to be deducted off the total flue length.

Example, if there are 2 x 45 degree flue bends needed for the installation, the maximum horizontal flue length would be reduced to 6.8 metres and 8.8 metres in total for vertical flue installations.

Installation and Servicing instructions

Download the Installation and Servicing instructions here

 

Installation & Servicing Instructions

User Guide & Operating Manual

Download the User Guide & Operating Manual here

 

User Guide

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