Concealed automatic toilet flush solution



Auto Toilet Flusher KEG-3166AD

Automatic toilet flusher is also called touchless toilet flusher. It uses motion sensors to detect the movement of people and other objects. When the sensor detected the body, it is ready to work. When people leave, it flushes water automatically.

  • Touchless, convenient, and hygiene.
  • Normal Mode Flush and Water Saving Mode Flush.
  • Some items come with a manual push button.

Touchless toilet flush kit

The touchless toilet flush kit is consist of the sensor, control box with valve, AC power adapter or DC battery box, the panel. Just like the video shown on the right. Some touchless toilet flushers may don’t have the panel or control box. However, it must have the sensor, the valve, and the power supply, these are the basic essential components for a touchless toilet flush.

Automatic toilet flusher types:

Concealed automatic toilet flusher

For concealed automatic toilet flusher, as the name, it is concealed inside the wall and showed only the panel outside. it contains the control box and panel. The control box has an advanced solenoid valve and battery box which is concealed inside the wall. The material for the panel always comes with stainless steel, some come with a cheaper plastic panel, the infrared sensor was integrated on the panel. Some items come with a push button, when the touchless function does not work, they still can use the push manual button to flash.

When people coming, the sensor will detect it and activate the valve to open or close according to the SCM program. The concealed touchless toilet flusher is widely used in commercial restrooms and homes.

Disclosed automatic toilet flusher valve

For disclosed sensor toilet flusher valve or auto flushometer,  it is disclosed outside and can see it obviously besides the toilet. Normally the raw material is Brass. It is easy for installation and repair. And the manual button is workable in case the electronic sensor does not work. It is widely used for commercial public restrooms.


  • Automatic flush program: Single-chip microcomputer control, normal Mode flush time 9s; Water saving Mode: usage time less than 1min: 4s/flush while using time more than 1min: 9s/flush.
  • Automatically flush if toilets no usage in 24 hours.
  • Low power indication: This may indicate it is time to replace existing batteries with new ones or there is not enough power going to the unit.
  • Healthy and Safe: Touch free, it can prevent the spread of bacteria and germs, convenience and hygiene.
  • Easy to clean and install.
  • Water-saving: Water-efficient toilet flusher valve reduces overall water usage without sacrificing water.
  • Energy-saving: 4AA alkaline batteries shall last approximately 3000 times/month for 1.5 to 2 years.

Technical Specification

Working powerAverage static power consumptionpower consumptionWorking water pressure Sensor distance Applicable Water TemperatureInlet/Outlet diameterFlushing water volumeError detection time
DC6V & AC220V<50uA<2.5W0.2-0.7MPa60±5cm to white board (about 45cm to body)0.1-60℃G1″ or G3/4″
4-6L(10s based on water pressure of 0.3-0.6Mpa)
<3 second

Touchless toilet flusher key spare parts

toilet flush sensor KEG-K3600D

Auto toilet flush valve sensor

As a key part of an auto toilet flush, the sensor is like an eye to detect the movement of objects or people. Its job is to inform the valve when to start or stop the flow based on the presence and/or movement of objects or people. 

Bi stable solenoid valve for toilet flusher

Auto toilet flush valve

As a key part of the auto flush toilet or flushometer, the valve is like a switch to open and close water flow. When it receives a signal from the sensor, it opens or closes the water flow.KEGE applies many years to research into and develop bi-stable solenoid valves. It features high sensitivity, a large hydraulic pressure range, extremely low power consumption, long service life, etc.

Benefits of Auto Toilet Flushers

Auto toilet flushers are becoming more and more widely used each year because there are so many benefits to using automatic toilet flushing systems. 

Here you can also find the best toilet flush valve in KEGE.

  • Completely touchless
  • Conveniently flushes
  • Saves water
  • Keeps toilets cleaner
  • Reduces germs & disease

How are automatic flush toilets powered?

The automatic flush toilets need electrical power for sure. There are two types, DC battery and AC power supply.

Urinal Flusher Battery Box

DC battery operated, normally 6V 4xAA alkaline batteries. Batteries shall last approximately 3000 times/month for one year. Battery replacement is easy, just open the battery box cover and put the new alkaline batteries into the box. Notice: please take care of the battery polarity.

power ac adapter

AC adapter, one side with power plug and one side with waterproof connector connect with the sensor or control box. The input can be 110v-380v and output 6V-9V. The ac adapter is not expensive and can buy it separately.

How to install automatic toilet flusher?

Why automatic toilet flush not working or not flushing?

There are many reasons that may cause automatic toilet flush not working or not flushing, please check below the troubleshooting.

Touchless Toilet Flusher Troubleshooting

Problem Possible Reason Suggested Solution
No water flow Batteries run out Replace batteries
Dirt on sensor surface Clean the sensor surface
Main water supply is shut off Turn main water supply on
Dirt on water filter net Clean the water filter net
Water pressure is not applicable Refer to technical specification
Have a continuous water flow problem Batteries run out Replace batteries
Low water pressure Refer to technical specification

+86 158 5847 1917
315th,Tongning road,hongtang industrial C area, Jiangbei,Ningbo,China,315033


Related products:


Automatic toilet flusher uses infrared sensor technology that will flush automatically after leaving, the sensor detects and gives a pulse signal to the solenoid valve, when you leave, flush automatically. Microchip controls all the process program.

Water efficient automatic toilet flusher reduces overall water usage without sacrificing water pressure. Some items also have water saving mode,if the usage time less than 1 minute, 4 seconds everytime. If usage time more than 1 minute,9 seconds flush everytime.

Normally there is a manual button on top of the cistern. If the automatic flush and remote control functions fail, you can active the manual button.

If you are planning to purchase a new toilet, consider these tips here.

Telephone number,Mobile number, Whatsapp or Wechat
Tell us which product you need, item and quantity.