Allied Gas Boiler Age by serial number

[rkainth (Ravi Kainth, #56590)]

Hi

I am facing hard time to find out age of Allied Gas Boiler its Serial Number is SLJI-3514 and Model number is SG135-N-PS. Please help if anybody can encode it… thanks
Ravi

[jjones12 (Jamin M. Jones)]

http://alliedboilers.com/contact/