FZONE Auto Top Off with Solenoid for RO/DI System
Updated August 13, 2026
| Lot number | 298 |
| Auction | 2026 AZLE • AUG20 GOLDMINE TREASURES |
| Date | August 20, 2026 at 9:23 AM CDT |
| Auction house | B & E TreasureTrove LLC |
| Location | AZLE, Texas |
Title: FZONE Auto Top Off with Solenoid for RO/DI System Condition: Returned in open box, used, unable to test Brand: FZONE Designed for RO/DI Systems Fzone solenoid Auto top off system directly link to home RO/DI systems, this ensures purified water is added to the aquarium, minimizing harmful substances. Compact Design: The ATO Sensor is only 0.7 inches suitable for rimmed, rimless and sump tank setups, providing a flexible solution for maintaining stable water levels across different aquarium types. Dual High-Precision Optical Sensors: FZONE Auto top off system with dual optical sensors ensures precise water level control and overflow protection with primary and backup triggers. Safety: The ATO system utilizes the QST3.0 and AFT Technology for enhanced reliability. AFT tech accurately differentiates between temporary and actual water level changes, ensuring stable performance.
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