We would all like carefree combination gas fired boiler installation, boiler installation and boiler installers in general seem so unapproachable and complex but this does not have to be the case.

A combi boiler is a form of condensing gas boiler. It provides water as called for and is the most common form of gas boiler in the UK.

They cannot be fitted to all houses and you should have a heating audit completed before you buy one on this type. If you use a trained heating fitter to conduct a study they will ensure that you comply with the building rules. You may already have a gas boiler installed in your home but not all gas boilers are the same and they certainly do not use the same technology. As a result you shouldn’t assume that you can purchase any gas boiler to replace the current one that you have, it needs to be of the same technology time or you will need additional changes to your system before it operates properly.

A condensing boiler gains its high efficiency through the infant design which allows it to extract heat from the hot exhaust gases which would normally pass through your wall and into the atmosphere outside. This means that the escaping gases are much cooler than with a traditional boiler and they can “condense” into steam which you can see by the boiler outlet on the outside wall. Areas near to the flue outlet are often subject to surface wetting, your neighbour’s home can also be impacted with this operation the plume can also cause irritation for any people travelling by your home.

An existing flue designed for a non-condensing boiler is unsuitable for a condensing heating boiler and vice versa. This might need the flue to be converted. The condensing boiler flue must also not be shared with any non-condensing gas appliance.

A liquid condensate will form inside a condensing boiler when it is running and there should be a acceptable outside drain point to permit this to be drained away.

An experienced installer will know how to easily beat most of these problems. You should expect your fitter to be knowledgeable in the issues and be able to suggest various ways forward to complete your installation based upon their earlier experience. Condensing gas fired boilers are typically more efficient than the older gas boiler that they replace and any incremental installation expenses should be set off against this reduced life running cost.

It is not all doom and gloom however and there are options for the installation. Due to the different fitting requirements a change of location is often necessary. If your existing gas fired boiler was a Back boiler or of the open flue variety this will unquestionably be the case. An outside flue is often missing from the fitting of these older gas fired boiler types.

Whilst respecting the boiler installation regulations your installer should be able to install the boiler in most rooms in your house with the exception of the living room. Typical examples include the attic, bedrooms and of course the kitchen. The main issue is not the name of the room but positioning the boiler safely and ensuring, in fact guaranteeing, that it has satisfactorily ventilation.

Providing you have a sealed system you can install a gas boiler in the attic. If you have taken this option you must ensure that there is an entry point to the loft through a hatch with a lower down attic ladder. The floor has to be boarded from the hatch to the the place where the boiler is situated and there has to be adequate lighting in the attic. These points are called for to enable a plumber to maintain and service the boiler without taking any shortcuts or endangering themselves.

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