---
product_id: 285260400
title: "Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication"
brand: "blackt electrotech"
price: "₨27675"
currency: LKR
in_stock: true
reviews_count: 1
url: https://www.desertcart.lk/products/285260400-blackt-electrotechfully-auto-water-level-controller-with-two-float-switch
store_origin: LK
region: Sri Lanka
---

# Auto water control Dry run protection Easy installation Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication

**Brand:** blackt electrotech
**Price:** ₨27675
**Availability:** ✅ In Stock

## Summary

> 💡 Elevate Your Water Control Game!

## Quick Answers

- **What is this?** Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication by blackt electrotech
- **How much does it cost?** ₨27675 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/285260400-blackt-electrotechfully-auto-water-level-controller-with-two-float-switch)

## Best For

- blackt electrotech enthusiasts

## Why This Product

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

## Key Features

- • **Manual & Auto Modes:** Flexibility to choose your operation style.
- • **Compact & Lightweight:** Easy to install in any space.
- • **Corrosion-Free Sensors:** Durable and long-lasting performance.
- • **Smart Water Management:** Automatically prevents overflow and dry running.
- • **Dual Float Switch System:** Ensures precise water level monitoring.

## Overview

The Blackt Electrotech Fully Auto Water Level Controller is a cutting-edge solution designed to manage water levels in overhead and sump tanks. With dual float switches for precise monitoring, it prevents overflow and dry running, ensuring efficient water management. Its corrosion-free sensors and easy installation make it a reliable choice for modern homes and businesses alike.

## Description

Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication

## Features

- Switch OFF the Pump when the water Level in the Overhead Tank Reaches the Maximum Level therefore Prevents Overflow.
- Switches OFF the pump when the water Level Reaches the Minimum Level in the Under Ground Thank threrefore prevents Dry Running.
- watch video YouTube : https://youtu.be/OyqeNNjUb8s
- Dry run protection. Corrosion free sensors. Has manual mode and auto mode functions. In auto mode, auto on and auto off operation occurs. In manual mode, the motor pump will be constantly running. This controller unit has a fully automatic function manual on and auto off function. Just keep the controller in manual mode for the motor to get switched on and then change it to auto mode for automatic off. Long life. Easy to install. Advanced embedded technology.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Blackt Electrotech |
| Part number | BT-21AK |
| Item Weight | 454 g |
| Package Dimensions | 20.1 x 18.7 x 16.5 cm; 453.59 g |
| Item model number | BT-21A |
| Size | Small |
| Color | White |
| Item Package Quantity | 1 |
| Switch Style | Float Switch |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Colour:** White
- **Brand:** Blackt Electrotech
- **Material:** Mixed (Stainless Steel, Brass, Plastic)
- **Item weight:** 454 g
- **Display type:** LCD or LED

## Images

![Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication - Image 1](https://m.media-amazon.com/images/I/514FpdV3z5L.jpg)
![Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication - Image 2](https://m.media-amazon.com/images/I/61wb6i1wayL.jpg)
![Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication - Image 3](https://m.media-amazon.com/images/I/71VcOdsTc1L.jpg)
![Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication - Image 4](https://m.media-amazon.com/images/I/51svOrJEX9L.jpg)
![Blackt ElectrotechFully Auto Water Level Controller with Two Float Switch For Overhead & Sump Tank with Buzzer Indication - Image 5](https://m.media-amazon.com/images/I/51+X5RFyheL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I recommend it
*by H***D on 13 May 2024*

Good product

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**Shop now:** [https://www.desertcart.lk/products/285260400-blackt-electrotechfully-auto-water-level-controller-with-two-float-switch](https://www.desertcart.lk/products/285260400-blackt-electrotechfully-auto-water-level-controller-with-two-float-switch)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-23*