
Introduction........................................................................................................................................................................................ 4
General Warnings (Must appear in OEM’s manual)................................................................................................................... 4
Specifications which must be included in OEM’s Manual......................................................................................................... 5
Quick Reference Specifications.................................................................................................................................................. 5
Control Valve Function and Cycles of Operation.............................................................................................................................. 6
Drive Assembly .......................................................................................................................................................................... 8
Drive Cap Assembly, Main Piston and Regenerant Piston......................................................................................................... 8
Spacer Stack Assembly............................................................................................................................................................... 8
Injector Cap, Screen, Injector Plug and Injector......................................................................................................................... 9
Refill Flow Control Assembly or Refill Port Plug...................................................................................................................... 9
Drain Line Flow Control and Fitting Assembly....................................................................................................................... 10
Water Meter or Meter Plug....................................................................................................................................................... 11
Mixing Valve............................................................................................................................................................................. 11
Installation Fitting Assemblies ................................................................................................................................................. 11
Bypass Valve............................................................................................................................................................................. 12
OEM General Instructions............................................................................................................................................................... 14
OEM Cycle Sequence............................................................................................................................................................... 15
OEM Softener System Setup ................................................................................................................................................... 17
OEM Filter System Setup ........................................................................................................................................................ 20
Installer Display Settings.......................................................................................................................................................... 23
User Display Settings ...............................................................................................................................................................24
Diagnostics ............................................................................................................................................................................... 26
Valve History ............................................................................................................................................................................ 27
Installation........................................................................................................................................................................................ 28
Drawings and Part Numbers............................................................................................................................................................ 30
Front Cover and Drive Assembly.............................................................................................................................................31
WS1HR Drive Cap Assembly, Downflow Piston, Upflow Piston, Regenerant Piston and Spacer Stack Assembly...............32
WS1.25HR Drive Cap Assembly, Downflow Piston, Regenerant Piston and Spacer Stack Assembly...................................33
Injector Cap, Injector Screen, Injector, Plug and O-ring.......................................................................................................... 34
Refill Flow Control Assembly and Refill Port Plug..................................................................................................................35
Drain Line – 3/4”...................................................................................................................................................................... 36
Drain Line – 1”......................................................................................................................................................................... 37
Water Meter, Meter Plug and Mixing Valve............................................................................................................................. 38
Installation Fitting Assemblies ................................................................................................................................................. 39
Bypass Valve............................................................................................................................................................................. 41
Flow Diagrams – Service and Backwash ................................................................................................................................. 42
Flow Diagrams – Downflow and Upflow................................................................................................................................. 43
Flow Diagrams – Rinse and Fill............................................................................................................................................... 44
WS1 Wrench ............................................................................................................................................................................ 45
Service Instructions.......................................................................................................................................................................... 46
Troubleshooting ............................................................................................................................................................................... 51
WS1HR & WS1.25HR Identification ............................................................................................................................................. 53
Injector Graphs US Units: Injector Draw, Slow Rinse and Total Flow Rates ................................................................................. 54
Injector Graphs Metric Units: Injector Draw, Slow Rinse and Total Flow Rates............................................................................ 56
Limited Warranty............................................................................................................................................................................. 60
Table of Contents