Specification for the installation and maintenance of gas fires, convector heaters, fire/back boilers and decorative fuel effect gas appliances - Independent gas-fired flueless fires, convector heaters and heating stoves of nominal heat input…

Specification for the installation and maintenance of gas fires, convector heaters, fire/back boilers and decorative fuel effect gas appliances - Independent gas-fired flueless fires, convector heaters and heating stoves of nominal heat input…

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1   Scope

This part of BS 5871 specifies installation and maintenance requirements for independent gas-fired flueless fires, convector heaters and heating stoves of nominal heat input not exceeding 6 kW burning 2nd and 3rd family gases for the purpose of heating rooms or internal spaces in domestic (see note 3) or commercial premises. Specifically, it covers:
  1. a) fixed appliances that satisfy all the requirements of BS EN 14829;
  2. b) fixed appliances that satisfy the combustion requirements of BS EN 14829;
  3. c) convector heaters of nominal heat input not exceeding 4.2 kW in the form of greenhouse heaters in respect of single appliance installations.

    NOTE 1 Appliances a) and b) are only intended as a secondary heat source (see Commentary and Recommendations on 4.2).

The heat input and ventilation, fixing and gas supply for convector heaters in the form of greenhouse heaters are specified in 8.4, 9.4 and Clause 11, respectively.
This part of BS 5871 covers the selection of a suitable appliance, room sizing and ventilation requirements and other measures necessary to ensure a safe installation.

NOTE 2 Heat inputs in this document are based on net calorific value. [See also Commentary and Recommendations on Clause 5, item b).]

NOTE 3 As well as normally constructed dwellings, domestic premises include any permanently sited caravans, holiday homes and residential park homes. (See IGE/UP/8 [9].)

NOTE 4 Convector heaters in the form of greenhouse heaters are available in two forms, those which are freestanding and those which are intended to be fixed to a wall or floor.

This standard is not applicable to:
  1. a) mobile and portable appliances conforming to BS EN 449;
  2. b) appliances in motor caravans and touring caravans;
  3. c) appliances in boats;
  4. d) installations in agricultural premises; or
  5. e) installations in transportable accommodation units.

    NOTE 5 For the maintenance of existing installations of 3rd family flueless appliances in boats, see PD 5482-3.