BlueLine Tsunami AT1 Auto Top Off System
The Tsunami AT1 uses a powerhead or pump to keep a constant level in a sump. When the water level in the sump drops 1", the AT1 will turn on the reservoir pump and turn it off after the sump fills up 1".
Features:
- Prevents main pump from running dry.
- Holds sump levels constant.
- Reduces salinity fluctuations.
- Includes water level sensor.
- Circuitry designed to UL specifications.

| SKU | Description | Price | Order |
|---|---|---|---|
| BL-AT132 | Tsunami AT1 Auto Top Off System | $ 58.00 | Add to cart |
