Injectors For Newer Autotrol Valves that have LOGIX Controllers ( 740, 742, 760, and 762 )
w/Orings as shown.
Tan "G" for 7"- 8" tanks
Lt. Purple "H" for 9"
Lt. Blue "J" for 10" tanks
Pink "K" for 12" tanks
Orange "L" for 13"-14" tanks
Brown "M" for 16" softeners
Dark Green for 18" tanks or any size Iron Filters


Tank Diameter - How To Measure and Why It Matters