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 What external factors will cause the NM32LA nitrogen generator “High duty” alarm? How can I stop the alarm? Comments 0 comments Please sign in to leave a comment.