Flues & location

Conventional Flues

Most ESSEs require a properly sized and fitted flue to ensure that the cooker operates correctly. The flue carries away the products of combustion, assists the supply of air to the burner and helps to draw hot gases through the flueways around the ovens, to ensure even temperatures.

Flue performance is measured by determining the flue draught, which requires special equipment and can only be done when the cooker is installed and working. This forms part of the commissioning process.

An existing chimney or similar flue may be suitable, which must be lined prior to installation. Alternatively a new flue may be installed which should terminate clear of the roof or any other nearby building, bank or tree that might create wind turbulence affecting the flue. The flue should be of a minimum height, generally of 4.5m and as vertical as possible, keeping bends to a minimum and deviating no more than 30º from vertical.

If it is not possible to accommodate a conventional flue, it may be possible to compensate using a suitable power flue. We recommend that you discuss this with your dealer and installer.

Power Flues

Sometimes it is not possible to accommodate a conventional flue, for this reason most models are designed to work with an optional powered flue. A fan unit is mounted on an outside wall and the flue is connected horizontally from the cooker to a maximum distance of 6m and up to two 90º bends. Some ESSE oil and gas cookers do not require electricity to operate, however if these models are fitted with a power flue, they will not operate in the event of a power failure.

The ‘fit anywhere’ gas and electric models

Both the catalytic gas and electric models do not require a flue of any type and can be situated anywhere in your kitchen.

CAT flexibility

One of the key benefits of the ESSE CAT enabled cooker is that it is easy and cost effective to install, it can be sited virtually anywhere, giving you freedom to plan your kitchen without the limitations of a flue and all the costs and ‘plumbing in’ hassles that go with it.

On top of all this you get all the benefits of a conventional gas ESSE with absolutely no drawbacks. So if you think you can’t have a gas ESSE because your kitchen does not offer a suitable flue installation, or you would prefer to locate your ESSE on an interior wall, or that you simply want to reduce the cost of installing a gas range, our CAT Enabled™ gas ESSE is your answer.


ESSE Engineering Ltd, Ouzledale Foundry, Long Ing, Barnoldswick, Lancashire, BB18 6BN Tel: 01282 813235 Fax: 01282 816876 Email: enquiries@esse.com

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