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Viessmann Vitodens 100-W 35kW Gas Boiler

MPN: WB1B491 EAN: 4054465001467
Viessmann Vitodens 100-W 35kW Gas Boiler prices and quotes
Output (Kw)
Warranty (years)
Heating Efficiency
A Heat
A Water
Average Price
Updated: 01/06/24
£1393.1 inc. VAT
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ModelVitodens 100-W 35kW
TypeGas Boiler
Sub TypeRegular Boiler
Width (mm)375
Height (mm)600
Depth (mm)340
Weight (kg)29
Output (Kw)35
ErP SpaceA
ErP WaterA
Noise Level (Db)14
FuelNatural Gas

Product Description

The new compact boiler Vitodens 100-W is a high-quality solution that is perfectly suited to be integrated into kitchen cupboards. It is powerful and flexible so you can install it with ease, wherever you need it.

The Inox-Radial heat exchanger is a corrosion-resistant, high-efficiency model that achieves up to 97% efficiency. The boiler's special design keeps the operating noise to a reasonable minimum so it won't disturb use in the kitchen.

The Vitodens 100-W Open vent gas condensing boiler has been tested as part of a complete heating system and compared against existing boilers in the field. This ensures it can be installed, commissioned and maintained easily. The boiler also shares the various flue options available for the Combination and System models of the Vitodens 100-W gas condensing boiler range, meaning it can be installed as part a larger building solution.

Features Overview

  • Range of outputs from 13 - 35kw
  • 5 year warranty on all parts and labour
  • Inox-Radial heat exchanger
  • Kitchen cupboard fitting
  • LPG compatible (with conversion)
  • Easy to use, large control display
  • Up to 97% efficiency
  • Optional weather compensation
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Frequently Asked Questions

What is the Viessmann warranty offered?

The warranty can be up to 10 years if installed by an accredited installer, however the standard period is 5 years.

What are some noteworthy features?

Users are particularly pleased with the large-screen display and easy controls. It also incorporates an Inox-Radial heat exchanger which enables it to work at a class-leading 97% efficiency level. The ability to convert it to LPG and the reduction in fuel bills makes this a popular choice of boiler.

Is it an efficient boiler?

A 94% ErP rating (making it A-rated) means you can enjoy lower fuel bills when installing a Vitodens 100-W Compact as it is a very efficient class of boiler.

Is it powerful enough for my home?

With an output rating of 26kw this boiler is suited to larger home and can easily cope with up to 15 radiators along with the water demands of a typical family.

Is it a large boiler?

Not especially. In fact it has been designed to be powerful and also wall-mountable whilst keeping dimensions to 600 x 375 x 340mm.

Do I need a regular boiler?

A high-efficiency regular boiler such as this one is an ideal replacement boiler if you already have the pipework, expansion tank and hot water cylinder already in place. Due to the substantial amount of work involved when installing a complete system, you may wish to consider an alternative such as a system boiler if you do not have it all in place.

Other Viessmann boilers similar to the Vitodens 100-W 35kW

Model kW ErP Warranty Price (inc. VAT)
Viessmann Vitodens 050-W 29kW 29
A Heat
A Water
3 £804.73
Viessmann Vitodens 100-W 16kW 16
A Heat
5 £931.41
Viessmann Vitodens 100-W 26kW 26
A Heat
A Water
5 £1140.22
Viessmann Vitodens 100-W 30kW 30
A Heat
A Water
5 £1210.78
Viessmann Vitodens 100-W 35kW 35
A Heat
A Water
5 £1393.1
Viessmann Vitodens 111-W 26kW 26
A Heat
A Water
5 £1638.16

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BAXI 600 636 36kW 36
A Heat
A Water
7 £1030.06
BAXI 200 228 28kW 28
A Heat
A Water
3 £599.66
BAXI Platinum 33 33
A Heat
A Water
10 £1105.57
BAXI 800 830 30
A Heat
A Water
10 £993.61
BAXI Duo-tec 24 24
A Heat
A Water
7 £775.61
BAXI Platinum 40 40
A Heat
A Water
10 £1220.26
BAXI 400 428 28kW 28
A Heat
A Water
5 £706.53
BAXI 800 825 25
A Heat
A Water
10 £890.99
BAXI Megaflo 32 32
A Heat
7 £909.4
BAXI Platinum 28 28
A Heat
A Water
10 £978.82

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