Regulation 14 Heat-producing installations
Every fixed heat-producing installation incorporating an appliance designed to burn solid fuel (including wood and peat) or gaseous or liquid fuel shall be so constructed and installed that–
(a)
it operates safely;
(b)
its operation does not cause damage by heat or fire to the building in which it is installed;
(c)
the products of combustion are not a hazard to health; and
(d)
it receives sufficient air for its safe operation.