Installation manual
W100T Twin Alternating Series Softeners 19
Application Injector and/or Plug(s) Main Piston
Regenerant
Piston
Stack Body*
1” Downflow Softener or
Regenerating Filter
Injector in “DN” hole, Plug
in “UP” hole
V3011 V3174 V3005 V3031
1” Backwash Only Filter
Plug in “DN” and “UP”
holes, Install Refill Port Plug
V3011 None V3005 V3031
1” Upflow Softener
Injector in “UP” hole, Plug
in unlabeled hole
V3011-01 V3174 V3005 V3031
Valve Body Compliance Table
W100T with 1.050" Distributor Tube Opening Identification
1.25"
1.25"
Spacer Color:
Grey
NOTE: The downflow piston is a solid amber color. The upflow piston is black and amber.