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Toilet Flush Sensor for Standard Lever Side Operated Toilet

This device converts your standard side lever operated toilet into an automatic flush toilet system with both half and full flush. This is the latest toilet auto flush unit available, compared to other touch free toilet systems this model is more affordable, has higher durability and no special tools or skills are required for installation. This unit is perfect for domestic use as well as for industrial sites, hostels and hotels, factories, schools, shopping centre's, aged care and airports.
Toilet auto-flush sensor:
Flush method:
Detection Rang:
Applicable Toilet Tank Style:
  • QBA-I

Automatic Toilet Flusher 21

   you just use the toilet and leave.The Automatic Toilet Flusher will flush the toilet for you automatically.


  • Flush volume is adjustable

  • Minimum hygiene requirement - no cross contamination

  • Automatic flush, two-stage (half/full flush)

  • Designed to use 6x AA Alkaline, Lithium or Rechargeable batteries

  • Easy and quick installation (see installation video below)


  • Sensor distance: 80cm (+/- 10cm)

  • Maximum Flush Cycle: 10 seconds

  • Half flush timer: adjustable 10-60 seconds

  • Full flush timer: adjustable >60 seconds

  • Dimensions: 125 x 70 x 65mm (HxWxD)

Applicable Toilet Tank Style:  Level Side Operated Toilet
Water Tank contains: 1: Flush Lever, 2: Bead Chain, 3: Flapper, 4: Flush Valve

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why to use the 

IMG_2889Automatic Toilet Flusher 24Automatic Toilet Flusher 28

Automatic Toilet Flusher


Toilet Flush Sensor 1
Toilet Flush Sensor 2
Toilet Flush Sensor 3
Toilet Flush Sensor 4
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Toilet Flush Sensor for Standard Level Side Operated Toilet 1
Toilet Flush Sensor for Standard Level Side Operated Toilet 2toilet flush sensor manual 1
toilet flush sensor manual 2
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toilet flush sensor manual 4

Sensor Appearance and Instruction

A: SETUP MODE (Left)- Adjust the Half /low flush cycle time by holding a magnetic Wand against the right side

(D)circular Magnetic Target until the desired water release is achieved Note the speed and distance of flush

Motor up/ down cycle and adjust accordingly

B: PRESENCE DETECTION-A computerized human- presence sensor measures the "time-at-the-toilet'"and then

activates a flush Motor inside the tank which lifts the flush lever for either a half/Low-flush or full/Large

flush as required

C: LOW BATTERIES-It will flash when the battery is low, please replace the battery


Note 1: After finished setup, if the half flush water volume is insufficient or too much

(Based on personal actual demand), simple repeats the step of adjustment.

When completed setup, it needs to be reset the memory model of sensor

because of replacing the batteries

Note 2: When computerized human-presence Sensor starts to measure the

time-at-the-toilet" the Sensor Presence Detection LED will flash for 10secs

above( Maximum Flush Cycle: 10 secs) by standing in front of the Sensor and then

activates a Flush Motor inside the tank which lifts the flush lever for either a

half / Low-flush or full/Large flush as required


1. This electronic dual-flush toilet conversion system fits most side-pressing toilet.

2. The Sensor has the function of self-learning, determine whether the Sensor distance has at least 100cm above to the wall or any obstacles,

otherwise it will shorten the detection distance to just 40-50cm

3. Upon powering up, the Sensor will automatically detect the distance in 1min, the Sensor Presence Detection LED will flash, keep any

obstacles or mirrored surfaces out of the Detection Beam at least 100 cm during detecting to prevent false detection and random flush.

4 The Sensor must not be obstructed by any reflectors, such as a mirror, glossy bright objects, etc, easy to cause reduce the distance to


5. Please keep the detection window clean, do not have dripping on Sensor surface to avoid affecting the sensitivity of Sensor.

6. Anytime the batteries( 6 standard AA alkaline)are replace or the Sensor range needs to be recalibrated simply repeats resetting. To

prevent false detection and random flush keep any obstacles or mirrored surfaces out of the Detection Beam

Xinyu strives to constantly provide high quality plumbing products and quick response to our customers requests in the market. Find more products and company information from link below.




Add:No50,Fuyao Road,Xinglin,Xiamen,Fujian,China
Copyright  2019 Xiamen Xinyu Plumbing Co.,Ltd. All rights reserved.  Technology by Leadong.