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  • BSI
    BS 7977-1:2009+A1:2013 Specification for safety and rational use of energy of domestic gas appliances - Radiant/convectors
    Edition: 2013
    $569.57
    / user per year

Description of BS 7977-1:2009+A1:2013 2013

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 in to 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.



Standard NumberBS 7977-1:2009+A1:2013
TitleSpecification for safety and rational use of energy of domestic gas appliances - Radiant/convectors
StatusConfirmed
Publication Date2013-11-30
ReplacesBS 7977-1:2002
AmendsBS 7977-1:2009, 13/30286930 DC
DescriptorsFire tests, Heaters, 2nd family gases, Domestic safety, Convection heaters, Classification systems, Type testing, Household equipment, Domestic, Gas-fired heaters, Pressure testing, Performance testing, Leak tests, Gas space heating, Radiant heaters, Safety measures, Gas-powered devices, Thermal-cycling tests, Thermal output, Efficiency, Flued heaters, 3rd family gases
ICS97.100.20 Gas heaters
CommitteeGSE/36
ISBN978 0 580 83715 9
PublisherBSI
Pages102

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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