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Viessmann Vitodens 100 W 16kW boiler

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Plumbproud rating

93.02%

Viessmann Vitodens 100-W 16kW heat only Gas boiler

We score each boiler we sell by considering a number of different factors including price installed, manufacturer guarantees, energy efficiency, the likely cost of running, and more. For this Viessmann Vitodens 100-W 16kW heat only boiler, we have awarded a rating of 93.02%.

We estimate that, on a standard, non-complicated installation, the supply and fitting charge for this Viessmann Vitodens 100-W 16kW heat only boiler will be around £2,000.

You can speak to our friendly and professional advisors by calling 01604 343053. They can provide you with a free quotation on the Viessmann Vitodens 100-W 16kW boiler and confirm that it is suitable for your home. You can also click here to email us or enter your postcode into the quotation box on this page.


Installed price around

£2,000

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Viessmann Vitodens 100-W 16kW heat only Gas boiler frequently asked questions

What kind of boiler is the Viessmann Vitodens 100-W 16kW - standard, combi or system?

If you are searching for a heat only boiler for your house or flat, the Viessmann Vitodens 100-W 16kW is certainly one to consider.

If your home has more than one bathroom or you have a large family that uses a lot of hot water, a heat only boiler (sometimes called a standard boiler, a regular boiler or a conventional boiler) is likely to be the best option for you. Heat only boilers require both a hot water or immersion cylinder and a cold water tank. Once the water in the cylinder is heated, you can use this hot water throughout the day and it can feed multiple taps and showers at the same time.

This is in contrast to a combi boiler which can only heat a limited amount of water at any one time. This can cause a problem if two or more taps and showers are being used simultaneously as the water temperature, pressure and volume to all points will drop.

Heat only boilers allow you to program the times that you want heat and hot water to be available. However, if you forget to do this and the immersion cylinder is empty, you may have to wait up to an hour before hot water becomes available again.

If your property already has a water tank and cylinder, it will nearly always be cheaper to replace like for like instead of replacing it with a different type of boiler. In addition to new pipework, you may need to replace older radiators that may be unable to cope with the higher water pressure delivered by other types of boiler.

Is the Viessmann Vitodens 100-W 16kW heat only boiler a suitable choice for my property?

It's best to choose a boiler whose size or "output" is right for your property. With a boiler, however, size does not mean how big the boiler is, it means how much power it has.

The amount of hot water you get from showers, bathrooms, and sinks and heat from your radiators depends on your boiler's output (measured in kilowatts). The higher the level of output, the better your home will be heated and you can be more certain that the water from your taps will be as hot as you want.

However, you must be careful. You might not get the hot water you want if your boiler output is too low. If it's too high, you'll be paying more than you need to for gas.

With the Viessmann Vitodens 100-W 16kW heat only's output at 16 kW, which types of property would this Viessmann Vitodens 100-W 16kW heat only boiler be most appropriate for?

A Gas Safe boiler installer would recommend that this Viessmann Vitodens 100-W 16kW heat only boiler would provide adequate heating and hot water for smaller homes and apartments with up to up to 10 radiators and one bathroom.


What size is the Viessmann Vitodens 100-W 16kW boiler?

The Viessmann Vitodens 100-W 16kW is 600 mm [H] by 375 mm [W] by 285 mm [D] in size.

Is the Viessmann Vitodens 100-W 16kW a non-condensing or condensing boiler?

We strongly recommend that you choose a condensing boiler like the Viessmann Vitodens 100-W 16kW - the technology is improving every year so the newer the boiler, the better.

A condensing boiler captures and recycles the warmth still present in flue exhaust gases and water vapour condensation into heat, allowing it to perform more efficiently on tasks like heating the colder water returning from your radiators.

They also offer significant annual savings on household gas bills as well as being more environmentally friendly.

Does the Viessmann Vitodens 100-W 16kW heat only protect the environment?

How we heat our homes and the damage we might be doing to the environment as a result has become an important point of concern to many homeowners worried about climate change.

Approximately 14% of the UK's greenhouse gas production is caused by our central heating systems. The gas boilers in larger urban areas of Britain are mainly responsible for emissions of toxic nitrogen dioxide.

Will choosing a Viessmann Vitodens 100-W 16kW heat only boiler for your home be positive for the environment? Let's examine the figures.

In the UK, by law, all boilers manufactured since April 2018 must have a SEDBUK “A” rating and operate to a minimum level of 92% energy efficiency. Prior to this, the minimum was 88% – 88/89% would score a "B" and 90% or more an "A" on the SEDBUK scale.

The energy efficiency rating measures the amount of energy a boiler consumes when it's in use and how much it loses on non-core operations.

Following testing, the Viessmann Vitodens 100-W 16kW was given an efficiency rating of 94% and a SEDBUK grading of "A".

The Energy Related Products (ERP) Directive's aim is to reduce the harmful gas emissions created during a product’s manufacture and active end use right through to its disposal.

The ERP rating for the Viessmann Vitodens 100-W 16kW is "TBC".

What warranty do I get if I purchase the Viessmann Vitodens 100-W 16kW boiler?

Parts and labour charges incurred for repairs made to your new Viessmann Vitodens 100-W 16kW are covered by a 5 year warranty.


Viessmann Vitodens 100-W 16kW Gas heat only boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?No
P/L Warranty5 Years
Output in kW16 kW
Height600 mm
Width375 mm
Depth285 mm
MountingWall
ERP HeatA

The top 10 rated Gas heat only boilers

Using the Plumbproud scoring system, the current 10 ten Gas heat only boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 41596.51%
2Vaillant ecoTEC Plus 41895.45%
3Vaillant ecoFIT Pure 41294.82%
4Vaillant ecoTEC Plus 42494.77%
5Vaillant ecoFIT Pure 41594.23%
6Vaillant ecoTEC Plus 43094.23%
7Worcester Bosch Greenstar Ri 12Ri94.18%
8Worcester Bosch Greenstar Ri 15Ri93.93%
9Worcester Bosch Greenstar Ri 18Ri93.26%
10Vaillant ecoFIT Pure 41893.11%

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Viessmann Vitodens 100 W 16kW boiler

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Viessmann Vitodens 100-W 16kW heat only Gas boiler

  1. Home
  2. Viessmann Vitodens 100-W 16kW
Plumbproud rating for this boiler
93.02%

We score this Viessmann Vitodens 100-W 16kW heat only boiler as 93.02% on the PlumbProud quality scoring system. Our rating is based on various factors, including the installation price, the length of the manufacturer's warranty, and the expected energy efficiency and operating costs.

Expect this Viessmann Vitodens 100-W 16kW heat only boiler to cost you £2,000 fully installed where there are no complications on the fit if you choose PlumbProud for this installation.

If you would like a free quote and professional advice and guidance to help you decide if the Viessmann Vitodens 100-W 16kW is the right choice for your home, please get in touch. You can do this by entering your postcode in the quote boxes on this page, click here to email us or give us a call on 01604 343053.


Installed price guideline
£2,000

Get your free quote

Viessmann Vitodens 100-W 16kW Gas heat only boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?No
P/L Warranty5 Years
Output in kW16 kW
Height600 mm
Width375 mm
Depth285 mm
MountingWall
ERP HeatA

Viessmann Vitodens 100-W 16kW heat only Gas boiler frequently asked questions

Is the Viessmann Vitodens 100-W 16kW boiler a standard, combi or system model?

The Viessmann Vitodens 100-W 16kW is a gas heat only boiler.

Large family homes and properties with more than one bathroom benefit most from installing a heat only boiler (also referred to as a conventional boiler, a standard boiler or a regular boiler). Heat only boilers require both a cold water tank and hot water cylinder and an immersion heater. The immersion heater heats and keeps the water warm and feeds hot water to taps, radiators and other sources via the boiler.

Tell your boiler the times and days when you want hot water and central heating and it'll be there waiting for you. However, if you forget and there's no hot water left in your tank, you'll have to wait up to an hour before it's ready.

The biggest benefit of a heat only boiler is that, unlike a combi boiler, it’s possible to run two taps with hot water at the same time with no drop in pressure, volume or temperature (a known issue with combi boilers). It also means you can shower and have the dishwasher running at the same time without your water pressure being affected.

Is the Viessmann Vitodens 100-W 16kW heat only suitable for my house or flat?

You should make sure that the boiler you install in your property is the right "size". And size doesn't mean its physical dimensions, size means how much power it has - the "output".

Your boiler should be able to cope with peak hot water demand in your property and not just your average hot water usage. The output rate of a boiler is measured in kilowatts and tells you how much power a boiler can use to provide hot water to your taps, showers and radiators.

If the output of your boiler is too low, there will often be times when your water isn't as hot as you want. But if your boiler output is too high, it will be more costly to run (often unnecessarily).

The output of the Viessmann Vitodens 100-W 16kW heat only boiler is 16 kW kilowatts. Which types of property would this be appropriate for?

An experienced PlumbProud Gas Safe engineer would almost certainly recommend that this Viessmann Vitodens 100-W 16kW heat only boiler would be most suitable for smaller homes and apartments with up to 10 radiators and one bathroom.


Viessmann Vitodens 100-W 16kW size

The Viessmann Vitodens 100-W 16kW is 600 mm [H] by 375 mm [W] by 285 mm [D] in size.

Is the Viessmann Vitodens 100-W 16kW condensing or non-condensing?

The Viessmann Vitodens 100-W 16kW boiler is a condensing gas boiler and we recommend that you select one of the latest models if possible.

Condensing boilers reduce homeowners' gas bills and are better for the environment. They do this by capturing and recycling the heat still present in the flue exhaust gases and water vapour condensation produced when boilers burn gas to generate the power they need to operate.

Is the Viessmann Vitodens 100-W 16kW heat only environmentally friendly?

How we heat our homes and the damage this does to the environment has become a pressing concern for many homeowners worried about the effects and impact of climate change.

14% of the total amount of greenhouse gases produced by the UK comes from the central heating systems we use. In some of Britain's biggest cities, gas boilers create dangerous levels of nitrogen dioxide in the atmosphere.

Is the Viessmann Vitodens 100-W 16kW heat only an environmentally friendly choice for your home? Let’s have a look at the figures.

All boilers manufactured and supplied in the UK must achieve an energy efficiency rating of at least 92% (an "A" SEDBUK grade). This is higher than the previous 88%, which was a legal requirement prior to April 2018.

The energy efficiency rating is used to work out how much energy a boiler both uses and wastes when it's switched on and working correctly - its standard functioning and operation.

The Viessmann Vitodens 100-W 16kW is rated as 94% energy efficient, equivalent to a "A" SEDBUK rating.

Energy-efficient boilers help the environment as they require less fuel and emit fewer harmful gases. In 2015, the EU introduced the Energy Related Products Directive (ERP) with the aim of ensuring that all manufacturers, including boiler manufacturers, developed more efficient products and processes.

This legislation aims to conserve energy at all life cycle stages, from initial production through to actual use by a customer and up to the point of disposal.

The Viessmann Vitodens 100-W 16kW has been given an ERP rating of "A".

What is the warranty period on a Viessmann Vitodens 100-W 16kW heat only boiler?

The Viessmann Vitodens 100-W 16kW boiler has a warranty covering parts and labour costs for up to 5 years after installation.


The top 10 rated Gas heat only boilers

Using the Plumbproud scoring system, the current 10 ten Gas heat only boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 41596.51%
2Vaillant ecoTEC Plus 41895.45%
3Vaillant ecoFIT Pure 41294.82%
4Vaillant ecoTEC Plus 42494.77%
5Vaillant ecoFIT Pure 41594.23%
6Vaillant ecoTEC Plus 43094.23%
7Worcester Bosch Greenstar Ri 12Ri94.18%
8Worcester Bosch Greenstar Ri 15Ri93.93%
9Worcester Bosch Greenstar Ri 18Ri93.26%
10Vaillant ecoFIT Pure 41893.11%
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