BS EN 297:1994 : Gas-fired central heating boilers — Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW
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The European Standard EN 297 has been prepared
by the Technical Committee CEN/TC 109, Gas-fired
central heating boilers, the secretariat of which is
held by the IBN.
It was established to deal with aspects related to:
— safety;
— rational use of energy;
— fitness for purpose.
Other types of boilers, and those of higher nominal
heat input excluded from this standard, are dealt
with in separate standards.
BS EN 297:1994 : Gas-fired central heating boilers — Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW