F21-STC-Y valve (Mechanical/Softener/Timer/bypass) 

Fully adjustable 5-cycle control delivers controlled upflow backwash,downflow brining and slow rinse,rapid rinse,timed brine refill and downflow service

Solid lead-free barss valve body for superior

strenghth and durability

Consistent brining regardless of salt levels with timed brine refills

Time-tested hydraulically balanced piston,seal and spacer design to pilot service flow and regeneration

Ideal for filter applications

Flanged valve body design for convenient maintainence

1-1/2"top mount control valve ideal for smaller size commerical or industrial applications

Side mount adaptor option

*Lead-Free brass

*Flanged design for convenient maintainence

*Withstand long time uninterrupted daily use

*Electromechanical timers for each timer clock or meter version

*Simple to set and easy to service

*Supply the most efficient method of monitoring water usage and initiating timely regenerations

*Accurately measure water flow at the service outlet

*Lead-free brass material

*Excellent gliding characteristics

*Hydraulically balanced

*Side mount adaptor option

Controller specifications 
Inlet/Outlet fittings :1-1/2" NPTF
Controller material : Lead -free brass

Cycles : 5

Regeneration :Down flow /164 MINS

Flow rate(50PSI inlet) -Valve Only
Service @ 15PSI drop valve only :51GPM
Peak service @ 25PSI drop valve only :66GPM
Peak Backwash @ 25PSI drop valve only :49GPM
CV service @ 1PSI drop : 13.2
Electrical specifications 
Supply voltgae :AC 230V or 120V or 24V
Supply frequency : 50HZ or 60HZ
Max VA : 3
Operation 
Pressure Hydrostatic :300PSI
Working : 20-120PSI
Temperature :1°C - 43°C
Dimension 
Distributor pilot :2" OD pipe
Drain line :1"NPT
Brine line : 11/16"-20UN
Mounting base : 4"-8UN

Height from top of tank : 6-1/2"/166mm
Shipping 
Estimated weight  : 8.9KG/19.7lbs