Difference between BS EN 12952 and BS 1113

[coolniks37]

Can anyone tell difference between BS EN 12952 and BS 1113. Is BS 1113 obsolete?
Can anyone give me the scope clarity between these 2 boiler codes?

 

[DSB123]

BS EN 12952 is the British equivalent to the EN standard EN 12952 whereas BS 1113 is an old British Standard!!!
BS 1113 is indeed superceded/obsolete/under review and has been replaced by BS EN 12952.