View Single Post
  #2 (permalink)  
Old January 27, 2013, 08:44 PM
JD's Avatar
JD JD is offline
Moderator
F@H
 
Join Date: Jul 2007
Location: Toronto, ON
Posts: 6,951

My System Specs

Default

I think due to the pressure that builds inside a closed-loop system, it allows the pump to operate in any direction. That's just my guess though.
Reply With Quote