System and Regular Boiler Installation In London
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Boiler installation or replacement in London is a big decision, whether that’s because you’re renovating your property or your current boiler needs an expensive boiler repair and have decided to install a new boiler – you’ll need to know more about the main boiler systems currently in the UK market
The main four boiler types are, Combi Boilers (Combination Boilers), System Boilers, Regular boilers (Heat only Boilers) or Hydrogen Boilers We will explain to you the difference between a system and a regular boiler and the prose and cons of each one to help you make the correct decision.
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Also known as a ‘regular’ or ‘heat-only’ boiler, conventional boilers are one of the types of boiler that has a water tank. They heat up your radiators directly and connect to a separate cylinder or tank to provide hot water.
As with combi boilers, a heat exchanger warms the water when fuel is ignited, but with a conventional boiler a pump transports the water to a storage tank. This hot water then flows through to radiators to heat them, or into your taps when you switch them on.
A conventional boiler, similar to a system boiler, requires a hot water tank or cylinder. However, they also require a cold water tank which is often stored in the loft. This cold water tank is then used to feed the boiler, and the resulting hot water is then stored in the cylinder just like a system.
Doesn’t use mains water – as the water comes from a water tank, it doesn’t share the same pressure as your mains. This can be beneficial if your mains water pressure is weak, as a pump can be used to ensure your shower is still powerful.
- Multiple uses – hot water can run from several taps at once
- Good for large properties – even if your boiler breaks down, you can still have hot water if an electrical immersion heater is installed in the cylinder
- Low pressure – conventional boilers don’t rely on high mains pressure, so are a good option for older heating systems
Regular boilers Take up the most space – as conventional requires both a cold water tank and hot water tank, it takes up even more space than a system. This means you’d not only lose a cupboard for the hot water cylinder, but also space in your loft so cold water could be stored.
- Bulky system – you’ll need space for the tanks as well as the boiler
- Less efficient – conventional boilers aren’t as efficient as
combi boilers because heat is lost from the water stored in the cylinder - Pricey installation – can be more expensive to install if you
don’t already have cold water and expansion tanks
Like conventional boilers, system boilers need a hot water cylinder. However, unlike conventional boilers, they don’t need a cold water tank, and components like pumps and valves that are separate in conventional boilers are built-in with a system boiler. You might also hear system boilers being called ‘closed vent’ or ‘system sealed’ boilers
System boilers work in the same way as conventional boilers, it’s just the components are slightly different. Think of them as the modern upgrade to a conventional boiler.
A system boiler provides consistent water pressure – as hot water is stored in a large tank, you can run multiple taps or showers at once without a drop in water pressure.
if you need a good high volume of hot water, a system boiler will be a great choice as the hot water is stored in a large tank, and there is a large supply of it on tap. It is a perfect option for larger households which may require the shower or bath to be run several times each day.
Space saving – as many of the components are integrated,
and it doesn’t need a cold water tank, system boilers don’t take
up as much room as a conventional boiler
Problems if your hot water tank empties – if you’re using enough hot water to empty the tank, you’ll need to wait again for the tank to fill up. This means you may not have an instant supply of hot water like a combi.
Take up more space – as they require a hot water tank or cylinder, you will need a cupboard or room spare for the installation.
Pressure problems – as with combi boilers functionality
depends on mains pressure, so they won’t work as well if you
have poor flow rates or incoming water pressure
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