40/60 Home › Forums › Public Forums › General Plumbing › 40/60 This topic has 1 reply, 2 voices, and was last updated 20 years, 11 months ago by nicktheplumber. Viewing 1 reply thread Author Posts 29 May 2003 at 12:12 pm #276645 MasterPlumbersKeymaster whatdoes40/60onawellpumpmeanthanku 1 Jun 2003 at 2:24 am #294532 nicktheplumberParticipant I’m really not sure what “40/60” means. It could be referring to the cut-in and cut-out pressure settings (i.e. 40psi/60psi). NtP Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In