Toto Spares, Toto Parts, Toto Spare Parts, Toto Spare Code No : TH581321R - Sensor unitTOTO TH581321...

Toto Spares, Toto Parts, Toto Spare Parts, Toto Spare Code No : TH581321R - Sensor unit

TOTO TH581321R – Sensor Unit


住まこれ / TH581321R 光電センサー TOTO

Manufacturer: TOTO

Part number: TH581321R

Part name: Photoelectric Sensor Unit

Previous part number: 581321R

Application: Automatic sensor faucets

Listed spare part

1. Technical details

Specification

Details

Part number

TH581321R

Component

Optical sensor

Sensor type

Photoelectric / infrared sensing

Material

Synthetic resin

Application

Touchless automatic faucet

Production start

December 2016

TOTO reference price

Price including Japanese tax

2. Function

The TH581321R sensor detects hands beneath an automatic washbasin faucet.

  • Detects hand presence using optical sensing.
  • Sends a detection signal to the faucet controller.
  • Initiates automatic water flow.
  • Helps stop water flow when hands are removed.

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3. Compatible TOTO faucet models

The following models are listed in parts references:

  • TEL120ABCRX
  • TEL120ABCX
  • TEL120ABR
  • TEL120ABX
  • TEL120ACNX
  • TEL120ACSX
  • TEL120ARX
  • TEL120AS
  • TEL121ABR
  • TEL121ABX
  • TEL121ARX
  • TEL122AX
  • TEL800S2B

Compatibility must be checked against the complete faucet model number.

4. Common failure symptoms

  • Faucet does not detect hands.
  • Water does not start automatically.
  • Sensor works intermittently.
  • Detection range becomes weak or inconsistent.
  • Faucet does not respond despite a functioning water supply.

Note: These symptoms can also be caused by the controller, wiring, power supply or solenoid valve.

5. Supplier in India

Bharat Enterprises – Chennai

TOTO : Control unit, toto Powercable, toto Rubber flapper, toto Signal Cable& Conduit Pipe, toto Right hook,

toto Screw, toto Concealed Automatic Urinal Flush Valve, toto Shower Hanger & Screw, toto check nut & lock on cartridge, toto Controller Unit, toto Cartridge, toto Fill Valve, toto HANDLE/KNOB, toto SSBolts &Nuts, toto PRESSURE CONTR.., toto Avante Wall Hung Toilet W/Invisible Fixing Kit, toto Flexible Hose, INDIA.


TOTO : Base Plate Assy, toto Soft Landing Unit, toto Soft Landing Unit, toto Damper dryer for WL .., toto DUMPER / PLASTIC LID ON WAND, toto Indication Substrate Assembly, toto Fixed Shower Head, toto Bath & Spout, toto Handle,

Toto thermostatic knob, toto Flange Cap, toto Flange Plate, toto Clamp for valve connector, toto FRAME, toto sensorunit, toto Towel Ring, toto IN WALL SENSOR URINAL FLUSH VALVE, toto Ceramic cartridge for Faucets DUBAI.

Company Name : Bharat Enterprises.

Web : www.bechennai.com.

Mobile no ; 888 333 33 22.



Nov 13th, 2026 12:12 PM

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