The following installation manuals are available for the AG range:
Benson AG Gas - Installation Manual - October 2002 - https://www.reznor.co.uk/wp-content/uploads/2023/12/Benson-AG-Installation-Manual-Gas-EN-2002-10-31-28-088-Iss-2.pdf
What installation manuals are available for the AG?
Looking for the installation guide for your Reznor product? Have a look in here.