Aquatrac Instruments M10T-C0-118-MSR2 Multiflex Control AutomationNew in open box Aquatrac's MultiFLEX water treatment controllers exemplify the latest in water management technology. Packed with features, the MultiFLEX line of products are designed to provide the highest degree of control and flexibility. With one MultiFLEX you can control and monitor multiple towers, multiple boilers, or tower boiler combos. Control up to 4 Towers at once Control up to 8 Boilers at once Web Browser Accessible LAN Accessible Up to