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Solid Fuel Fired Models - Hearth

When choosing a site for an Aga, there are a number of factors to consider which will influence its positioning.

Flue/Chimney.
May require the Aga to be close to an existing chimney or against an outside wall. See separate sheets on flues/chimney/ventilation.

Floor/Hearth/Plinth.
The floor must be strong enough to carry the weight of the Aga, typically :- 2 Oven 480kg (9.5cwt) 4 Oven 635kg (12.5cwt)

Where an Aga Electric or Gas Module is attached add 129kg (2.5cwt)

The hearth must be non combustible for a thickness of at least125mm

A raised plinth is not essential, and there is no reason why an Aga shouldn’t sit on the normal floor ( providing it meets the above criteria) If a higher working position is preferred, or the finished height needs to match adjacent work surfaces, then a cast concrete slab, usually 50mm thick, is the answer. The slab dimensions should be the same as the base of the Aga

2 oven 987 x 679mm
4 oven 1487 x 679

The 679 dimension can be reduced slightly if the front of the plinth is to be tiled. Whatever type of hearth is chosen, it must be absolutely level in all directions.

Clearances.
In most case, work units can be brought right up to the sides of the Aga, without the risk of damage from heat. Work tops should however stop short of the Aga top plate and not actually touch it. A gap of 3mm each side of the top plate is important to enable the cooker top plate to be removed. Any slight gap can be filled with a silicone sealant.

If the surrounding walls are to be tiled, then this must be done before the Aga is installed, as the tiles must be taken down below the Aga top plate level, not finish above it.

The rear wall must be non combustible for at least 200mm thickness.

In a recess situation, If the adjacent right-hand wall protrudes forward beyond the front of the Aga, then an additional width clearance is required of 116mm on the right hand side, to allow the oven door to be opened sufficiently.

If the Aga is to be installed in a brick recess, then the minimum clearances should be increased by at least 10mm on either side, to allow for the walls being out of square and also for the natural dimensional variations found in castings.

At least 60mm clearance should be allowed above the insulating covers in their vertical, open position.

Aga Dimensions:

Maximum depth over handrail etc 756mm
Maximum width, 2 oven 987mm, 4 oven 1487mm (see note above)
Maximum height with insulating lids open 1330mm (see note above).

Heat to Room.
The Aga releases a gentle warmth into the kitchen, which is not likely to give rise to any problems, unless the room is exceptionally small or poorly ventilated. The actual output varies slightly from model to model and in accordance with the type of flue system chosen. An average contribution to the room of 1 kW/hr should be allowed.

Fuel.
See the list of approved fuels. Bear in mind that the fuel must be stored under cover and kept dry.

* See also the pages covering Flues & Ventilation and Domestic Hot Water requirements

IMPORTANT. All Aga’s must be installed in accordance with current legislation, such as the Building Regulations, B.S. Codes of Practice, Industry Standards etc.. Please refer to the main Installation Instructions for this product , regarding further information.