Fix for Eheim professionel 3 , professionel 4 , Pro XL

Fix for Eheim professionel 3 , professionel 4 , Pro XL
When your valve is kaput, do this

[@SwissFrogGuy]

Thanks for this! Showed I could open the adapter without breaking glue or the piece. Mine was jammed (bought used off eBay, likely just dried gunk in the valves), so I was afraid to force & possibly break the lever. Opening allowed me to turn the ball valves directly and loosen them. Greets to Sweden from Switzerland-my brother lives in Huddinge…