---
product_id: 548939400
title: "Auto Top Off System, ATO System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump,Water replenishment system, DIGITEN Smart ato System for fish tank"
brand: "senstree"
price: "$217"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/548939400-auto-top-off-system-ato-system-fish-tank-sump-water
store_origin: NZ
region: New Zealand
---

# Automatic water supply Plug-and-play setup Overfilling protection Auto Top Off System, ATO System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump,Water replenishment system, DIGITEN Smart ato System for fish tank

**Brand:** senstree
**Price:** $217
**Availability:** ✅ In Stock

## Summary

> 💦 Dive into hassle-free aquarium care!

## Quick Answers

- **What is this?** Auto Top Off System, ATO System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump,Water replenishment system, DIGITEN Smart ato System for fish tank by senstree
- **How much does it cost?** $217 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/548939400-auto-top-off-system-ato-system-fish-tank-sump-water)

## Best For

- senstree enthusiasts

## Why This Product

- Trusted senstree brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **12-Month Warranty:** Confidence in your investment.
- • **Siphon Break Safety:** Avoid unwanted water disasters.
- • **Smart Dual Float System:** Precision control for peace of mind.
- • **Universal Compatibility:** Perfect for all aquarium types.
- • **Effortless Water Management:** Say goodbye to manual refills!

## Overview

The SENSTREE Auto Top Off System is a smart, automatic water replenishment solution for aquariums, designed for easy installation and maintenance. It features a dual float sensor for precise water level control, ensuring your tank never overflows. With a plug-and-play setup and compatibility with various aquarium types, this system is perfect for busy aquarium enthusiasts looking to simplify their maintenance routine.

## Description

Auto Top Off System, ATO System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump,Water replenishment system, DIGITEN Smart ato System for fish tank

## Features

- 💧💧【Simple, Complete, Smart Automatic Top Off System】 aquarium automatic water supply system, super easy installation and maintenance. Suitable for aquariums up to 5/8"(16mm) thick, durable PC material holder to prevent move, adjustable bracket on holder make different water levels possible.
- 💧💧【Relay Control】 precise dual float water level sensor for overfilling protection. When the water goes below the minimum water level , the power will be activated, the pump automatically works, and cut off once the water level reach to maximum. The second float ball will work when the first float ball fails.
- 💧💧【Siphon Break】 The siphon break is optional installation part. It is recommended that the water level of display tank be higher than the reservoir, and DON’T leave the end of the water supply pipe in the water, otherwise, it will siphon after the pump shuts off, if so the siphon break must be installed at the end of the water supply pipe.
- 💧💧【Plug-and-Play with all parts included】 Everything you need is included, it will also come with a pump and a ETL listed power adapter. Safely keep sump water levels stable, no moving parts that can fail.
- 💧💧【Widely Used】Suitable for all kinds of fish tanks, aquariums, sumps, etc. The range of water level from aqurium sump top is 0-17cm or 0-6.7".Suitable for aquariums up to 5/8"(16mm) thick, save you a lot of time to enjoy your life. The Smart ATO Complete Kit will never make water overflow your tank, it is especially suitable for the sump with a lot of evaporation. 12 month warranty!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 15.2 x 14.6 x 9.3 cm; 500 g |
| Item model number | ZJ-ATO19-UK |
| Color | White |
| Number of Items | 1 |
| Quantity | 1 |
| Special Features | Durable |
| Specific Uses | Indoor |
| batteries required | No |
| Batteries Included | No |
| Item Weight | 500 g |

## Product Details

- **Brand:** SENSTREE
- **Material:** silicone
- **Special features:** Durable
- **Item weight:** 500 Grams
- **Specific uses for product:** Indoor

## Images

![Auto Top Off System, ATO System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump,Water replenishment system, DIGITEN Smart ato System for fish tank - Image 1](https://m.media-amazon.com/images/I/61gosvGSoxL.jpg)

## Frequently Bought Together

- SENSTREE Auto Top Off System, ATO System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump,Water replenishment system, DIGITEN Smart ato System for fish tank
- Fluval Carbon 800g complete with net bags

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**Shop now:** [https://www.desertcart.nz/products/548939400-auto-top-off-system-ato-system-fish-tank-sump-water](https://www.desertcart.nz/products/548939400-auto-top-off-system-ato-system-fish-tank-sump-water)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-14*