LX 56WUA300-I 3HP Single Speed Hot Tub Pump

SKU: 56WUA300-I

Manufacturer: LX Pump (Lingxiao)

Product Description

The LX 56WUA300-I is a powerful 3.0 horsepower single-speed spa pump designed specifically for North American hot tub systems. This large 56-frame pump delivers consistent, high-performance water circulation for powerful jet action while operating more quietly than smaller 48-frame alternatives. Built with premium components including a mechanical seal for watertight operation, this pump is the ideal choice for DIY hot tub owners seeking reliable, professional-grade performance without the professional installation costs.

The 56WUA300-I features 2-inch connections throughout, maximizing water flow while keeping noise levels low – perfect for enjoying your spa experience without distraction. This pump comes ready to install with unions included, making your replacement project straightforward and hassle-free.

Key Features

• Powerful 3.0 HP motor operates at 10.0 amps for strong, consistent jet performance
• Large 56-frame design for quieter operation compared to 48-frame pumps
• 2-inch inlet and outlet connections (Male Buttress Thread) for optimal flow
• Rotatable discharge – adjust to 12, 3, 6, or 9 o’clock positions to fit your plumbing layout
• Center suction with side discharge configuration for versatile installation
• Mechanical seal design ensures long-term watertight performance
• Universal compatibility – replaces Aqua Flo XP2e and many other 3HP 56-frame pumps
• Includes unions for secure, leak-free connections
• Mounting base included for stable floor installation

Technical Specifications

Specification	Details
Horsepower	3.0 HP
Voltage	230V
Amperage	10.0 Amps
Speed	Single Speed (1-Speed)
Frequency	60 Hz
RPM	3450
Motor Frame	56 Frame (56Y)
Flow Rate	Up to 188 GPM
Maximum Pressure	0.3 MPa
Suction Size	2″ MBT (Male Buttress Thread)
Suction Location	Center
Discharge Size	2″ MBT (Male Buttress Thread)
Discharge Location	Side (rotatable every 90°)
Overall Dimensions	16-7/16″ L x 8-3/4″ W x 8-7/8″ H
Bolt Pattern	56 Frame (4-1/4″ bolt spacing)
Drain Plug Locations	3, 6, 9 o’clock positions

Compatibility & Cross-Reference

This LX 56WUA300-I pump is a direct replacement for many popular spa pump models. If your existing pump matches these specifications (3.0 HP, 230V, 10.0A, 56 frame, 2″ connections, single speed), this pump will work for your application.

Replaces These Part Numbers:

• 39577-03
• 390593
• 56WUA300I
• LX56WUA300-I
• LX56WUA300I

Compatible Replacement For:

• Aqua Flo XP2e (3.0 HP, 56 frame, 1-speed models)
• Many Waterway, Balboa, and other brand 3HP 56-frame single-speed pumps

Important: Always verify voltage (230V), amperage (10.0A), frame size (56 frame), connection size (2″), and speed (single) match your existing pump before ordering.

DIY Installation Guide

Installing your new LX 56WUA300-I pump is straightforward for DIY hot tub owners. Here’s what you need to know:

Before You Start:

1. Turn off all power to your spa at the main breaker
2. Drain water level below pump connections
3. Take a photo of your existing pump’s electrical connections for reference
4. Verify your electrical setup matches pump requirements (230V, dedicated 20A circuit recommended)

Installation Steps:

1. Remove Old Pump: Disconnect electrical connections (label wires), loosen union nuts, and remove mounting bolts
2. Prepare New Pump: Install unions onto pump connections with thread sealant or plumber’s tape
3. Position Pump: Place pump on mounting base, align with plumbing – note that discharge can rotate every 90° if needed
4. Make Plumbing Connections: Hand-tighten unions, then use union wrenches to secure (don’t over-tighten)
5. Wire Connections: Connect wires according to manufacturer’s diagram – this is a single-speed pump so wiring is straightforward
6. Prime the Pump: Fill pump with water through drain plug opening or by opening discharge union slightly while refilling spa
7. Test Operation: Restore power, check for leaks, verify smooth operation

Pro Tips:

• Use 2″ unions included with pump for best seal
• Apply silicone lubricant to union O-rings for easier installation and better seal
• Ensure pump is level for optimal performance and reduced vibration
• Allow pump to run for several minutes, checking all connections for leaks

Note: This pump does NOT include a power cord. Power cord must be purchased separately or reused from your existing pump if compatible.

What’s in the Box

• 1x LX 56WUA300-I Complete Pump Assembly (motor + wet end)
• 2x 2″ MBT Unions
• 1x Mounting Base (attached to pump)
• Union O-Rings

Not Included:

• Power cord (must be purchased separately)
• Plumbing fittings beyond included unions
• Electrical wire/conduit

Why Choose the LX 56WUA300-I?

Perfect for DIY Installation: With included unions, straightforward wiring, and universal compatibility, this pump is designed for homeowners who want to save money by doing their own spa maintenance. No specialized tools or professional installation required.

Superior Quiet Operation: The large 56-frame motor runs cooler and quieter than smaller 48-frame alternatives. The 6.5-inch motor diameter provides better cooling and reduced vibration for a more peaceful spa experience.

Proven Reliability: LX Pump (Lingxiao) is a recognized manufacturer supplying pumps to major spa brands worldwide. This pump features quality copper winding motors, anti-creep bearings for longer life, and mechanical seals rated for 80,000+ charge-discharge cycles.

Flexible Installation: The rotatable discharge fitting (adjustable to 12, 3, 6, or 9 o’clock positions) means this pump will fit your plumbing configuration without custom adapters or modifications.

Strong Performance: At 3.0 HP with 188 GPM flow capacity, this pump delivers powerful jet action for a therapeutic spa experience. Single-speed operation means consistent, reliable performance exactly when you need it.

Universal Replacement: Designed to replace Aqua Flo, Waterway, and other major brand pumps, giving you quality performance at a fraction of OEM replacement costs.

Technical Notes

Frame Size Explanation: The “56 frame” designation refers to the motor mounting pattern. A 56-frame motor has a 6.5-inch diameter and 4-1/4″ bolt spacing, compared to 48-frame motors (5.5″ diameter, 3-5/8″ bolt spacing). The larger frame provides quieter operation and better cooling.

MBT Connection Details: Male Buttress Thread (MBT) is the standard thread type for spa pumps. The 2″ MBT connections have a 3″ outer diameter, which is the standard you’ll measure on your existing plumbing.

Electrical Requirements: This pump requires 230V single-phase power. A dedicated 20-amp circuit with GFCI protection is recommended. Amperage draw is 10.0 amps, well within the capacity of a 20A circuit.

Warranty & Support

This pump includes a manufacturer’s warranty. Like all spa equipment, proper installation, regular maintenance, and appropriate water chemistry will ensure maximum lifespan and performance.

Maintenance Tips:

• Keep pump area well-ventilated for proper cooling
• Check unions periodically for signs of leaking
• Maintain proper water chemistry to prevent scale buildup
• Winterize properly if spa will be unused in freezing conditions

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Ready to restore your hot tub’s performance? The LX 56WUA300-I delivers professional-quality performance at a DIY-friendly price. With straightforward installation, proven reliability, and powerful 3.0 HP performance, this pump will have your spa running like new in no time.

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Note: Manufacturer reserves the right to make design improvements and motor updates without notice. All pumps shipped are the latest version with identical functionality to specifications listed above.