
Package includes:
- Readymade board
- Buzzer
- Push button switch
- 2 pin RMC wire for sensing
- 2 x 3mm LED (Green And Red)

Premium Quality Full and Low Tank Alarm Circuit Board
Are you searching for a reliable way to monitor your water tank levels? The Premium Quality Full and Low Tank Alarm Circuit Board is the perfect choice for commercial use, industrial setups, and DIY electronics projects. It ensures water management becomes simple, efficient, and hassle-free.
Why Choose This Tank Alarm Board?
Unlike ordinary alarm systems, this circuit board provides clear LED indications and a loud alarm when the tank is full. A convenient momentary switch allows you to turn off the alarm instantly. Moreover, even if the power fails and resumes, the alarm will not trigger again unless required. This makes the system smarter and more user-friendly.
In addition, the board works with multiple sensor types such as metal probes, float switches, or stainless steel bolts and nuts. As a result, you can install it in different environments without compatibility issues.
Technical Features
✅ Power LED indicator for status monitoring.
✅ Tank Full LED indicator for quick alerts.
✅ Loud Tank Full Alarm for added safety.
✅ Momentary switch to turn off the alarm easily.
✅ No need for repeated switching after the alarm is turned off.
✅ Supports multiple sensor types (metal, float switch, SS bolts).
✅ Works with 9V AC transformer (0-9, 500mA).
✅ Compatible with 12V+ transformers using 7812 regulator IC.
✅ High-quality build, proudly Made in India.
Multiple Applications
This water tank alarm board is not limited to one function. You can use it as a:
Full tank alarm
Low-level tank alarm
Water flow alarm
Therefore, it becomes suitable for households, apartments, factories, commercial buildings, and academic projects.
Frequently Asked Questions (FAQ)
1. What does a Full and Low Tank Alarm Circuit Board do?
It monitors water levels in tanks and triggers an alarm when the tank is either full or low, helping prevent overflow and pump damage.
2. Can I use float switches with this board?
Yes, you can. The board supports float switches, metal probes, and even stainless steel bolts and nuts as sensors.
3. What power supply is needed?
It works with a 9V AC transformer (0-9, 500mA). You may also use a 12V by adding a 7812 regulator IC or 12v SMPS power supply module or adaptor.
4. Will there be any false triggering of alarm after it is turned off?
No. Once you turn off the alarm using the switch, it remains off until it reaches the full or low tank.
5. Can it be used for both full and low tank alarms?
Yes. You can set it up as a full tank alarm, low-level alarm, or even as a water flow alarm.
6. Is it suitable for commercial use?
Definitely. It is designed for commercial, industrial, and residential applications.
7. Where is it manufactured?
It is proudly manufactured in India with high-quality components.
8. How can I contact you if I have any queries?
Please click here to contact me if you have any queries regarding this product.
7. What are required to sense full and low level?
You will need a metal SS sensor to sense full level and a normally closed (NC) float to sense low level.
👉 Order now and experience reliable, efficient, and durable water level monitoring with the Premium Quality Full and Low Tank Alarm Circuit Board.














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