A Alfie2022 Messages 5 Oct 20, 2022 #1 Is there a disadvantage to a central heating system if there’s too many pumps added?? Thanks
ShaunCorbs Super Moderator Staff member S. Mod Plumber Gas Engineer Subscribed Messages 34,702 Solutions 1 Oct 20, 2022 #2 You should really only have one primary how many do you have ?