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Rayburn Supreme
The Rayburn
Supreme was introduced in 1982 for use with a range of solid fuels and also
wood and peat. It provided cooking together with domestic hot water and heating.
It was only produced with ovens on the right hand side.
The fabricated
steel boiler was originally quoted as providing 35000BTU/Hr (10.3KW), based on a
4 hour re-fuelling cycle, in accordance with B.S. 1252. This was
achieved by maintaining a high oven temperature and selecting the 'heating'
position on the control damper. The output figure reduced to 20000BTU/Hr (5.8KW)
when burning wood. During summer use when the firebrick positions were changed,
the output reduced to 3.1KW (for solid fuel use) with the 'cooking' position of
the control damper selected. The boiler temperature was controlled using the
thermostat sited at the rear of top plate.
The appliance
was fitted to a heating system with the circulating pump on the return pipe
before the junction of the return from the indirect cylinder. The domestic hot
water is available constantly, while the appliance is alight, by using an open
vented gravity feed 190 Litre (40 gallon) cylinder. The pump can be controlled
by a programmer and/or room thermostat, and it was recommended that a boiler low
temperature return thermostat be fitted.
The hotplate
had 2 hinged insulating lids, the heat being provided by the hot flue gases
passing across the underside. The temperature being regulated by use of the spin
wheel, which also altered the oven temperature by allowing more or less air to
the fire grate. Available
in a limited range of colours, it had a brown top-plate and enamelled lids and
was also available in a Matt-finish black or brown enamel, the latter with brass
colour fittings. Manufacture
had ceased by 1992, being replaced by the Nouvelle, which had been introduced in
the mid 1980's.

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