1. Introduction
This manual provides essential information for the safe and efficient operation of your VEVOR 12PBG-18 Digital Smart Instant Hot Water Recirculating Pump Kit. This system is designed to deliver instant hot water to your faucets, reducing water waste and waiting times. Please read these instructions thoroughly before installation and use, and retain them for future reference.
2. Safety Instructions
Always adhere to the following safety guidelines to prevent injury or damage to the product:
- Ensure the power supply matches the specifications listed on the product label.
- Disconnect power before performing any installation, maintenance, or troubleshooting.
- Installation should be performed by a qualified professional in accordance with local plumbing and electrical codes.
- Do not operate the pump if it is damaged or malfunctioning.
- Keep children and unauthorized personnel away from the unit during operation.
- This pump is designed for potable water systems only.
- Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
3. Package Contents
Verify that all items are present and undamaged upon unpacking:
- 1 x Hot Water Recirculating Pump
- 1 x Power Adapter
- 1 x Check Valve
- 2 x Brass Tee Fittings (NPT 1/2 inch)
- 2 x Braided Hoses
- 1 x PTFE Tape
- 1 x User Manual (this document)
Image: The VEVOR 12PBG-18 Hot Water Recirculating Pump Kit, including the main unit, power adapter, check valve, braided hoses, and brass tee fittings.
4. Product Overview
The VEVOR 12PBG-18 features a digital display and intuitive controls for precise management of your hot water circulation.
4.1. Digital Display and Controls
The front panel includes a digital screen showing current and set temperatures, countdown timer, and real-time clock. Control buttons allow for easy adjustment of settings.
- TempCurr: Displays the current water temperature.
- TempSet: Displays the target hot water temperature.
- CountDown: Shows the remaining time for a scheduled operation.
- WallTime: Displays the current time.
- Settings Button: Accesses configuration options.
- Up/Down Buttons: Adjust values and navigate menus.
- OK Button: Confirms selections.
- Power Button: Turns the unit on or off.
Image: Close-up view of the VEVOR hot water circulator's digital display and control interface.
5. Setup and Installation
The VEVOR 12PBG-18 pump is designed for straightforward installation without requiring extensive pipe modifications. It is compatible with both tank and tankless water heater systems.
5.1. Installation Location
Install the pump under the faucet that is farthest from your water heater. This ensures efficient circulation throughout your entire hot water system.
5.2. Connection Steps
- Turn off the main water supply and drain the hot water lines.
- Locate the hot and cold water lines under the furthest sink.
- Install the provided brass tee fittings into the hot and cold water lines.
- Connect the braided hoses from the tee fittings to the inlet and outlet ports of the recirculating pump. Ensure the built-in check valve is correctly oriented to prevent backflow.
- Apply PTFE tape to all threaded connections to ensure a watertight seal.
- Mount the pump securely in a vertical position with the screen facing forward for optimal viewing and operation.
- Reconnect the main water supply and check for leaks.
- Plug the power adapter into a suitable electrical outlet.
Image: Example of under-sink installation for the VEVOR hot water recirculating pump.
Image: Diagram illustrating the principle of whole-house hot water circulation with the pump.
6. Operating Instructions
The VEVOR 12PBG-18 pump offers various modes and settings to customize your hot water delivery.
6.1. Initial Power-Up
After connecting the power, the digital screen will illuminate. The unit may display default settings or recall the last saved settings due to its smart memory function.
6.2. Setting Temperature
- Press the Settings button to enter temperature adjustment mode.
- Use the Up and Down buttons to set your desired hot water temperature (TempSet).
- Press OK to confirm the setting.
6.3. Timer Function
The pump can be programmed to operate during specific times or for set durations.
- Press the Settings button multiple times to cycle through different timer options (e.g., countdown, scheduled operation).
- Use the Up and Down buttons to adjust the time values.
- Press OK to save your timer settings.
6.4. Flow Control
The system automatically manages flow to ensure efficient circulation. Specific flow rate adjustments may be available through the settings menu, allowing optimization for different household needs (e.g., low flow for morning wash-up, medium for midday dishwashing, high for evening showers).
6.5. Smart Memory Function
The pump retains your last settings, including temperature and timer configurations, even after a power interruption, ensuring consistent performance without constant re-programming.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your recirculating pump.
- Cleaning: Periodically wipe the exterior of the pump with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Inspections: Annually inspect all connections for leaks and ensure the power cord is free from damage.
- Filter Check (if applicable): If your system includes an inline filter, check and clean it as per its specific instructions to prevent debris buildup.
- Winterization: If the pump is installed in an area subject to freezing temperatures, ensure it is properly drained or protected from freezing to prevent damage.
8. Troubleshooting
Refer to the following table for common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not turn on | No power supply | Check power connection, outlet, and circuit breaker. |
| No hot water circulation | Incorrect installation or air in lines | Verify installation, ensure check valve is correctly oriented. Bleed air from the system if necessary. |
| Water is not hot enough | Temperature setting too low or water heater issue | Adjust the TempSet on the pump. Check your main water heater settings. |
| Pump is noisy | Air in the system or loose mounting | Bleed air from the system. Ensure the pump is securely mounted. |
| Leaks at connections | Improperly tightened fittings or insufficient PTFE tape | Tighten connections. Reapply PTFE tape if necessary. |
If the problem persists after attempting these solutions, please contact customer support.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | 12PBG-18 |
| Voltage & Frequency | AC 110-240V, 50/60 Hz |
| Maximum Flow Rate | 4 Gallons Per Minute (GPM) |
| Maximum Head Lift | 59 ft / 18 Meters |
| Rated Power | 0.11 HP |
| Inlet/Outlet Size | NPT 3/4 inch |
| Waterproof Rating | IPX8 |
| Color | Black |
| Pump Head Material | Brass |
| Net Weight | 4.14 lbs / 1.88 kg |
| Product Dimensions (L x W x H) | 5.91 x 5.12 x 3.54 in / 150 x 130 x 90 mm |
| Country of Origin | China |
| UPC | 197988706878 |
Image: Detailed product dimensions and specifications.
10. Warranty and Support
VEVOR products are designed for durability and performance. For warranty information, technical support, or service inquiries, please refer to the contact details provided with your purchase or visit the official VEVOR website.
Please have your model number (12PBG-18) and purchase date available when contacting support.
