TN 222113 36V DC Solution Control Valve for Tennant Floor Scrubbers. Reliable Deltrol brand electronic solution control solenoid valve. Fits Tennant 7200, T15 and Nobles Ez Rider riding floor scrubber models. Many models may require two valves, one for an optional pre-sweep dust control featrue. Priced Each. Replaces Tennant 222113. Our Part Number TN 222113