YOU WILL NEED A USER NAME AND PASSWORD TO DOWNLOAD THE MANUAL.
IF YOU ALREADY HAVE USER NAME AND PASSWORD CLICK HERE 

You can download the Manual for Vanguard PowerMax™ gas booster in PDF document format. To download this manual YOU WILL NEED A USER NAME AND PASSWORD. 

USER NAME: manual   PASSWORD: power200

After you click on the blue link about, enter the user name and password. Press sign in. You will be directed to home page. Click on blue link again. Then click on the pdf to open it