HagenKB

Where can I get the manual for a Fluval 104?

There are a number of different manuals available for the Fluval 04 series of filters. During its product life, quite a number of changes were made that requires different manuals to be produced as time went by.

From earliest to latest, the manuals can be obtained from:

Smooth Hose
http://ca-en.hagen.com/File/030bed3b-a794-4c71-b564-1bfac6be4f3f

Ribbed Hose:
http://ca-en.hagen.com/File/ff5c1bf3-b253-4eb1-865f-4456c852dd21

New Aqua-Stop:
http://ca-en.hagen.com/File/e650784d-0a6e-46e1-bd2a-8c1b95561bf6

New Lift Lock Design:
http://ca-en.hagen.com/File/b8d9e71f-bb3d-4d40-8d24-8c5dd1544a9c

I hope this helps, be sure you identify the correct filter you have before trying to order parts.