1. Introduction
The PNI SV180 PRO Smart Water Valve is an intelligent device designed to provide remote control over your water supply. With Wi-Fi connectivity, it integrates seamlessly into your smart home ecosystem, offering convenience and enhanced security against water-related incidents. This manual provides essential information for the proper installation, operation, and maintenance of your device.
2. Product Features
- Remote Wi-Fi Control: Manage water flow from anywhere using the Tuya Smart app, without the need for an additional hub.
- Robust IP65 Design: Waterproof and dustproof casing ensures suitability for both indoor and outdoor environments, protecting against adverse weather conditions.
- Smart Home Integration: Compatible with Amazon Alexa and Google Home for voice control and automated routines.
- Standard Installation: Features a DN20 (3/4") fitting with 3/4" threading, allowing easy integration into most domestic water or irrigation systems.
- Flood Protection & Irrigation Automation: Ideal for preventing water damage and automating garden watering schedules.
3. Package Contents
Ensure all items are present before proceeding with installation:
- PNI SV180 PRO Smart Water Valve
- Power Cable
- Power Adapter
- Mounting Hardware (fasteners)

Image: PNI SV180 PRO Smart Water Valve, power cable, and power adapter.

Image: Close-up of the power adapter and USB cable included with the valve.
4. Setup and Installation
The PNI SV180 PRO is designed for easy installation on DN20 (3/4") water pipes. Professional installation is recommended if you are unfamiliar with plumbing.
4.1 Physical Installation
- Turn off Main Water Supply: Before any plumbing work, ensure the main water supply to your property is completely shut off.
- Locate Installation Point: Choose a suitable location on a DN20 (3/4") pipe where the valve can be easily accessed and is protected from extreme physical impact.
- Install Valve: Attach the PNI SV180 PRO valve to the pipe using the provided fasteners. Ensure a secure and watertight connection. The valve is designed to be mounted directly onto the pipe.
- Restore Water Supply: Once the valve is securely installed, slowly turn the main water supply back on and check for any leaks.
- Connect Power: Plug the power cable into the valve and then into the power adapter. Connect the adapter to a suitable power outlet.

Image: Side view of the PNI SV180 PRO valve showing the DN20 marking and pipe connection.

Image: Close-up of the valve's internal mechanism, showing the water flow path.
4.2 App and Wi-Fi Connection
- Download Tuya Smart App: Download and install the 'Tuya Smart' app from your smartphone's app store (iOS or Android).
- Register/Log In: Open the app and register for a new account or log in with an existing one.
- Add Device: In the Tuya Smart app, tap '+' to add a new device. Select 'Water Valve' or search for 'PNI SV180 PRO'.
- Pairing Mode: Follow the in-app instructions to put the valve into pairing mode. This usually involves pressing and holding a button on the device until an indicator light flashes.
- Connect to Wi-Fi: Ensure your smartphone is connected to a 2.4 GHz Wi-Fi network. Enter your Wi-Fi password in the app to connect the valve.
- Device Added: Once connected, the valve will appear in your app. You can rename it for easier identification.
5. Operating Instructions
Control your PNI SV180 PRO Smart Water Valve using the Tuya Smart app or integrated smart assistants.
5.1 Using the Tuya Smart App
- Open/Close Valve: From the device interface in the app, you can manually open or close the water valve with a tap.
- Set Schedules: Create custom schedules for automatic opening and closing of the valve. This is ideal for irrigation or managing water usage.
- Automation: Set up smart scenes or automations based on various conditions (e.g., close valve if a water leak sensor is triggered, open for a specific duration daily).
5.2 Voice Control (Alexa/Google Home)
- Link Accounts: In your Alexa or Google Home app, link your Tuya Smart account.
- Discover Devices: Ask Alexa or Google to discover new devices. Your PNI SV180 PRO valve should appear.
- Voice Commands: Use commands like "Alexa, open [Valve Name]" or "Hey Google, close [Valve Name]" to control the valve.
5.3 Manual Operation
In case of power outage or Wi-Fi issues, the valve can be operated manually. Refer to the device for a physical button or lever to open/close the valve.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your smart water valve.
- Regular Inspection: Periodically check the valve and pipe connections for any signs of leaks, corrosion, or damage.
- Clean Exterior: Wipe the exterior of the valve with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Firmware Updates: Keep the device firmware updated through the Tuya Smart app to ensure you have the latest features and security patches.
- Winterization (if applicable): If installed in an area prone to freezing temperatures, ensure proper winterization procedures are followed to prevent damage to the valve and pipes.
7. Troubleshooting
If you encounter issues with your PNI SV180 PRO, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device loses Wi-Fi connection frequently. | Weak Wi-Fi signal, interference, or router issues. | Ensure the valve is within range of your 2.4 GHz Wi-Fi router. Reduce interference from other devices. Restart your router. Re-pair the device if necessary. |
| Valve does not respond to app commands. | No power, Wi-Fi disconnected, or app glitch. | Check power connection. Verify Wi-Fi status in the app. Restart the app. Perform a device reset if issues persist. |
| Voice control not working. | Accounts not linked, incorrect device name, or smart assistant issue. | Ensure Tuya Smart account is correctly linked to Alexa/Google Home. Use the exact device name. Try re-discovering devices in your smart assistant app. |
| Water leak at connections. | Improper installation or worn seals. | Turn off water supply immediately. Check all connections for tightness. Replace seals if they appear worn or damaged. Consult a plumber if unsure. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | PNI-SV180P |
| Dimensions | 95 x 80 x 115 mm |
| Weight | 691 g |
| Material | Metal (valve body), White Plastic (controller casing) |
| Connection Size | DN20 (3/4") |
| Connection Type | Threaded |
| Number of Ports | 2 |
| Certifications | IP65, CE |
| Power Source | Power Adapter (included) |
| Wireless Connectivity | Wi-Fi 2.4 GHz |
| App Compatibility | Tuya Smart |
| Voice Assistant Compatibility | Amazon Alexa, Google Home |
9. Warranty and Support
PNI products are designed for reliability and performance. For warranty information, please refer to the documentation provided with your purchase or visit the official PNI website. If you require technical assistance or have questions regarding your PNI SV180 PRO Smart Water Valve, please contact PNI customer support through their official channels.