Clack WS1TC, Time Clock Backwash Filter Valve, 3 Button

• More informative 4 digit LCD Display with Status Indicators • Solid state microprocessor with easy access front panel settings • Service flow rate of 27 gpm, backwash 27 gpm • Backwash and brining ability to 21” diameter tanks • Front panel display for time of day, days until next regeneration • Days between regeneration feature: 1–99 days standard; 7-day optional • Double backwash feature offers optimum regeneration, cleaning ability and efficiency • 10 selectable pre-programmed regeneration cycles • Coin Cell Lithium battery back-up with a 8 hour carry over • Auto detection of 50/60 Hz line frequency, with automatic 12/24 hour time keeping formats • Level VI 15-volt output DC power supply provides safe and easy installation • Post treated water regenerant refill • Reliable and proven DC drive • One piece expanding seal spacer stack assembly • Linearly reciprocating piston operation