J Johnyc86 Messages 43 Jun 22, 2022 #1 Can a three port zone valve allow circulation through both rad circuit and cylinder coil at same time or does one circuit take priority??
Can a three port zone valve allow circulation through both rad circuit and cylinder coil at same time or does one circuit take priority??
ShaunCorbs Super Moderator Staff member S. Mod Plumber Gas Engineer Subscribed Messages 34,702 Solutions 1 Jun 22, 2022 #2 Depends on valve Diverter one or another Mid position does both Upvote 0 Downvote