LINGXIAO 3.9HP Variable Speed Pool Pump Inground 230V | Smart App Control | Energy Star | 10800GPH
The LINGXIAO Relaax390-VS is a 3.9HP Energy Star-certified variable speed inground pool pump that combines intelligent Smart Life control, patented flow customization, and industry-leading energy savings. Control your pool pump from anywhere via the Smart Life app, save up to 80% on electricity, and enjoy seamless compatibility with Pentair and Jandy pool control systems — all at a fraction of the cost of major brands.
- Smart Life App Control: Remotely control your pump from anywhere via the Smart Life smartphone app. Set speed, schedule programs, monitor performance, and adjust flow — all from your phone.
- Patented Pool-Capacity Flow Setting: Our exclusive patented technology automatically calculates and sets the optimal flow rate based on your pool’s exact volume — maximizing efficiency without guesswork.
- Save Up to 80% on Energy Bills: Variable speed motor technology dramatically reduces electricity consumption. Energy Star certified and DOE compliant — eligible for up to $400 in local utility rebates.
- Quick Clean Mode for Sand Filter: Dedicated high-speed quick-clean mode delivers powerful backwash flow, perfectly matched for sand filter systems to ensure thorough and efficient cleaning cycles.
- Direct for Pentair WhisperFlo Replacement: Fully compatible with Pentair WhisperFlo series — drop-in replacement with no plumbing changes required.
- High-Flow 10,800GPH Performance: 3.9HP, 230V / 60Hz, 10,800GPH max flow. Suitable for 25,000 to 50,000 gallon inground pools. Connects to standard 2" plumbing — 2" unions included.
- Built-In Smart Timer & 3-Speed Programs: Pre-program 3 customizable speed plans for filtration, heating, and cleaning cycles. Fully automated — no manual restarts needed.
- Pool Control System Compatibility : Compatible with Pentair and Jandy pool control systems. Contact us after ordering to receive your complimentary RS485 signal line at no charge.
- 2-Year Full Machine Replacement Warranty: Industry-leading protection — full unit replacement instead of repairs. Expert engineers provide installation, maintenance, and troubleshooting support within 24 hours.
Technical Specifications
| Model | Relaax390-VS |
| Horsepower | 3.9 THP |
| Voltage | 230V / 60Hz |
| Max Flow Rate | 10,800 GPH |
| Pool Capacity | 25,000 – 50,000 Gallons |
| Port Size | 2" (Inlet & Outlet) |
| Included | 2" Union Fittings |
| Speed Control | Variable Speed, 3 Programmable Plans |
| App Control | Smart Life (iOS & Android) |
| Pool Control Compatibility | Pentair, Jandy (RS485) |
| OEM Replacement | Pentair WhisperFlo Series |
| Certifications | UL / Energy Star / DOE |
| Energy Savings | Up to 80% |
| Warranty | 2-Year Full Machine Replacement |
| Weight | 52.03 lbs |
Utility Rebates — Save Even More
As an Energy Star certified and DOE-compliant variable speed pump, the Relaax390-VS may qualify for up to $400 in local utility rebates. Check with your local utility provider for available incentive programs in your area.
Why Choose LINGXIAO?
With over 40 years of pump manufacturing experience, LINGXIAO supplies equipment directly to pool and spa facilities worldwide. When you buy LINGXIAO, you get factory-direct quality with patented smart technology and industry-leading warranty protection — at a fraction of the cost of major brands.
