What is the function of the bypass valve between the two CMSs in the Genius 1050? Guaranteed purity. The bypass valve reduces internal pressure during regeneration and exhausts more thoroughly. Can't find what you are looking for? Contact us here or phone your local tech support help centre. Related articles When replacing the deionising filter in my hydrogen generator how do I dispose of the waste filter? Customer service Comments 0 comments Please sign in to leave a comment.