• Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve

Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve

No.PST-FM400
1. Auto - shuts gas/water via Tuya Smart WiFi Manipulator for home safety.
2. Works with water/gas sensors – auto - cuts off in fire/leak emergencies.
3. Voice control (Alexa/Google Home) + app remote operation.
4. 2.4G WiFi, easy 3 - step setup: connect, download app, add device.
5. Safety design: insulation, flame - retardant, no - spark construction.
6. Compatible with specific valves (auxiliary, not replacing originals).
7. Timing & auto - off features for smart home automation.
8. Share device access with family via Tuya Smart App.
9. Wide use: household gas, farm irrigation, garden watering.
10. Motor clutch for manual control during power outages.
11. Notifies via app for leaks/fires – instant alert system.
12. Controls water/gas valves remotely for standard home setups.
13. Restores safety: auto - shuts off post - power failure, no auto - on.
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Tuya Smart WiFi Manipulator – Auto Gas/Water Shut - off, Voice/App Control, Home Safety Valve
  • Description

  • Detailed Images

PST-FM400 Specifications
Name Tuya Smart WiFi Manipulator
Model PST-FM400
APP Name Tuya Smart or Smart Life
Color Black
Material Plastic and Metal
Power Supply DC12V 1A
Valve Pressure 1.6 mpa
Close/Open valve time 5-10 Seconds 
Torque  30-60 kgf.cm
WiFi Standards IEEE 802.11 b/n/g 2.4G Hz
Support Voice Control Work with Amazon Alexa/Google Assistance
Tuya Smart product Linkage control Support
Operation Temp. –10°C to +50°C
Humidity 5%--95% non-condensing
Box Dimension 13*12*9cm
Unit Weight 550g
Carton Packing 30PCS per carton: 17.5kg, 64*42*21cm
PST-FM400 Package List
WiFi Manipulator x1
Universal Pipe Clips(Clamp) x1
DC12V 1A Power Supply x1
User Manual x1
PST-FM400 Product FAQ
Q1: Is the WiFi Manipulator compatible with both Android and iOS devices?
Yes, it is available on the Google Play for Android devices and the App Store for iPhone.
Q2: Which WiFi frequencies does it support?
A: It supports 2.4G Hz b/g/n WiFi frequencies.
Q3: Can I control the WiFi Manipulator using voice commands?
Absolutely. It works with Amazon Alexa and Google Assistant, allowing you to control it via voice.
Q4: What type of valves is the WiFi Manipulator suitable for?
It is suitable for handle valves.
Q5: Is the installation of the WiFi Manipulator difficult?
No, it is easy to install. There is no need to change the original design of the gas and water pipeline configuration, and users can install it themselves.
Q6: Can the WiFi Manipulator be used for both water and gas valves?
Yes, it can be used to control water valves and natural gas valves.
Q7: Does the WiFi Manipulator support device sharing?
Yes, you can easily share devices among family members.
Q8: Can I set the WiFi Manipulator to turn on or off at specific times?
Yes, it supports timing function for the opening or closing of the smart water valve/gas valve.
Q9: Is the WiFi Manipulator safe to use?
It has a safety voltage with insulation, seal, and flame retardation, and no - spark design, so it is safe to use.
Q10: What should I do if the sensor doesn't connect to my Wi-Fi network?
1. Check the Basics
Power: Ensure the sensor is properly powered.
Wi - Fi Signal: Make sure the sensor is within range of your Wi - Fi router.
2. Reset the Sensor
3. Re - add the Device in the App
4. Check Router Settings
5. Update Router and App Firmware
Q11: Can I control multiple WiFi Manipulators with one APP?
Yes, you can add and control multiple devices at once with the TuyaSmart App.
Q12: What should I do if the power goes out?
The gas/water valve will automatically shut down after a power failure and will not automatically turn on after power is restored.
Q13. HCan the WiFi Manipulator work with other smart devices?
Yes, it supports the interworking of multiple smart devices and can be used in scenarios with water sensors and gas sensors.
Q14. Which app should I use to control this device?
A: You can use the Tuya - supported app. You can download it from the App Store (for iOS) or Google Play (for Android).
Q15. Can I control the device remotely?
A: Yes, as long as the device is connected to WiFi and your phone has an internet connection, you can control it remotely through the app.
Q16. Is the WiFi Manipulator suitable for garden irrigation?
Yes, it is suitable for garden automatic irrigation, as well as farmland automatic irrigation and household gas supply control.
Q17. Can I use the WiFi Manipulator without the APP?
It mainly relies on the TuyaSmart App for control, but it also supports voice control through Amazon Alexa and Google Assistant. However, basic configuration usually requires the APP.
Q18. Can I set up alarm linkage with the WiFi Manipulator?
Yes, you can make alarm linkage setting for it, usually in combination with water sensors and gas sensors.
Q19. Can someone else access my sensor's data?
As long as you keep your app account credentials secure, and your Wi - Fi network is protected, it's very unlikely that others can access your sensor's data.
Q20. Is the WiFi Manipulator waterproof?
It has a cap design made of high - quality ABS material, which is effective for waterproof and splash - proof.
Q21. Can make OEM?
A: Yes, we can.
PID OEM:1000PCS
Box & manual OEM: 1000PCS, if only 500PCS extra charge 0.30USD/PCS;
Laser Logo: 200PCS