View Single Post
  #2  
Old 02-18-2008, 01:35 AM
mark's Avatar
mark mark is offline
Member
 
Join Date: Nov 2002
Location: Edmonton AB
Posts: 4,212
mark is on a distinguished road
Default

With a Herbie the valve sits just above the sump, stricting flow into the standpipe causing the water to back up so that's all that's flowing (no air).
Reply With Quote