Watts Watts® Residential 1 in. Metered Softener Control Valve W100SM

Solid state microprocessor with easy access front panel settings; three modes of operation meter; immediate, meter delayed, or time clock delayer; Double backwash feature, offers optimum regeneration, cleaning ability and efficiency; 36 selectable pre-programmed regeneration cycles; days override feature 1-28 days available; down flow/up flow regeneration; stores system configuration and operation data in non volatile memory; capacitor back-up with two-hour power carry over; 12 volt transformer provides safe and easy installation; control valve design provides optimum service and backwash rates; treated water regenerant refill.