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Specification for safety and rational use of energy of domestic gas appliances -- Radiant/convectors
This standard specifies the requirements and methods of test for the construction, safety, rational use of energy, classification and marking of 2nd and 3rd family gas-fired domestic radiant convector heating appliances not exceeding a nominal heat input of 15kW based on the net calorific value and which incorporate a natural draught burner.
This standard applies to open-flued independent radiant/convector gas fires not connected directly or by means of an adapter to an open flue. The appliance and flue are separated by a void which can be in one or more of the following forms:
fireplace recess;
builder’s opening;
metal flue box to BS 715;
pre-cast flue to BS EN 1858.
The void is covered by a closure plate, which may be an integral part of the appliance, or a separate plate; in either case it is regarded as a part of the appliance and is supplied with it. These appliances are designed to discharge their products of combustion into the void behind the closure plate; they also have an integral flue break which may be in the form of a draught diverter or an open front.
Although all appliances covered by this standard are radiant/convectors, they have traditionally been divided into the following types:
radiant/convectors;1)
live fuel effect (LFE);1)
inset live fuel effect (ILFE);1)
NOTE An inset live fuel effect fire with a top outlet flue spigot that is directly connected to the flue is not within the scope of this standard.
This document does not apply to the following:
decorative fuel effect appliances;
catalytic combustion appliances;
appliances in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means;
appliances which permit automatic ignition whilst unattended.
This standard is only intended for type testing.
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