Installation Contact your local Tank Guy for an installation quotation. Installation Guides Click the links below to download any of these PDFs. Mini kit install guide – PDF (2.5MB) MAX tank installation guide – PDF (0.5MB) Plumb-in-plumb-out 800l tank install guide – PDF (0.25MB) Superfill install guide – PDF (0.25MB) Devan tank install guide, maintenance, and warranty – PDF (0.6MB)