🔧 LX Lingxiao 56WUA200-I Spa Pump – 2.0 HP 1-Speed 230V 56 Frame
Precision-engineered jet power for a rejuvenating hydrotherapy experience
💧 Product Overview
The LX Lingxiao 56WUA200-I is a 2.0 HP single-speed jet pump built for spa and hot tub applications across North America. Manufactured by Guangdong Lingxiao Pump Industry Co., Ltd. — a company with over 46 years of pump engineering expertise — this WUA series pump delivers powerful, consistent water flow for invigorating massage jets.
Designed with a robust 56 frame motor and 2-inch male buttress thread (MBT) connections, the 56WUA200-I operates at 230V/60Hz and draws just 8.0 amps, making it an efficient and reliable choice for demanding spa environments. The center suction and side discharge configuration, combined with a rotatable wet end, allows flexible installation to match existing plumbing layouts. The WUA series is widely recognized and accepted by spa manufacturers as both an OEM component and an aftermarket replacement for comparable pumps from Aqua-Flo, Waterway, and other leading brands. Unions are included; pump cord is sold separately.
⭐ Key Features
- ✅ 2.0 HP Single-Speed Motor – Delivers strong, consistent jet pressure for effective hydrotherapy massage
- ✅ 56 Frame (Large Frame) Design – Larger motor housing runs cooler, quieter, and longer than smaller 48 frame alternatives
- ✅ 230V / 60Hz Operation – North American electrical standard for safe, efficient performance
- ✅ 8.0 Amp Draw – Modest amperage for a 2.0 HP pump, allowing efficient circuit utilization
- ✅ 2″ MBT Suction and Discharge Ports – Standard 2-inch male buttress thread connections for broad compatibility
- ✅ Side Discharge / Center Suction – Discharge at the 12 o’clock position, rotatable in 90-degree increments (3, 6, or 9 o’clock)
- ✅ Pure Copper Winding Motor – Cools faster and lasts longer than aluminum winding alternatives
- ✅ Anti-Creep Bearing Technology – High-temperature grease ensures quiet, long-lasting operation
- ✅ Texas Instruments Thermal Protector – Safeguards motor against overheating
- ✅ Viton / Silicon Carbide / Graphite Mechanical Seal – Corrosion-resistant, watertight seal rated for continuous operation
- ✅ UL and ETL Certified – Independently tested and listed for safety compliance in North America
- ✅ Unions Included – Ready to connect out of the box
⚙️ Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | Guangdong Lingxiao Pump Industry Co., Ltd. (LX) |
| Model Number | 56WUA200-I |
| Series | WUA |
| Pump Type | Jet Pump |
| Motor Power | 2.0 HP |
| Speed Settings | Single Speed (1-Speed) |
| Voltage | 230V |
| Frequency | 60 Hz |
| Amperage | 8.0 A |
| Frame Type | 56 Frame (Large Frame) |
| Discharge Port | 2″ MBT (Male Buttress Thread) |
| Suction Port | 2″ MBT (Male Buttress Thread) |
| Suction Style | Center Suction |
| Discharge Position | Side Discharge (12 o’clock, rotatable every 90°) |
| Seal Type | Viton / Silicon Carbide / Graphite Mechanical Seal |
| Dimensions (L × W × H) | Approximately 16-7/16″ × 8-3/4″ × 8-7/8″ |
| Motor Features | Pure copper winding, anti-creep bearing, thermal protector |
| Certifications | UL, ETL |
| Warranty | 1-Year Manufacturer’s Limited Warranty |
| Unions Included | Yes |
| Pump Cord Included | No – sold separately |
⚠️ Note on Dimensions: Dimensions listed are based on the 56WUA200 series (same frame and wet end). Pump and motor manufacturers reserve the right to change motor styles without notice; minor dimensional variations may occur depending on the motor batch. Always verify physical clearance before installation.
⚠️ Note on HP Ratings: Spa pump horsepower ratings can vary by measurement method (continuous duty HP vs. brake/peak HP). For the most accurate comparison between pumps, use the amperage draw rating (8.0A for this model at 230V).
⚡ Electrical Requirements
| Electrical Specification | Requirement |
|---|---|
| Supply Voltage | 230V |
| Frequency | 60 Hz |
| Phase | Single Phase |
| Full Load Amps | 8.0 A |
| Minimum Circuit Breaker | Please refer to manufacturer documentation or consult a licensed electrician |
| Wire Size (Recommended) | Per NEC requirements based on amperage and wire run length — consult a licensed electrician |
⚠️ IMPORTANT ELECTRICAL SAFETY NOTICES:
- All electrical work must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and local building codes.
- Hot tubs and spas require GFCI (Ground Fault Circuit Interrupter) protection as mandated by the NEC.
- A dedicated circuit is required — do not share with other appliances.
- Verify your existing pump voltage before ordering. This is a 230V pump. Using incorrect voltage will damage the motor and void the warranty.
- Pump cord is NOT included. Use your existing cord or purchase a compatible amp cord separately.
🔗 Compatibility Guide
Frame and Connection Details:
| Specification | This Pump |
|---|---|
| Frame | 56 Frame (Large Frame) |
| Wet End Connections | 2″ MBT |
| Discharge | 2″ Side Discharge (rotatable) |
| Suction | 2″ Center Suction |
| Mounting | Base/feet included — mounts to flat surface |
Commonly Replaces:
This pump is commonly used as a replacement for pumps with similar specifications from the following series:
- ✅ Aqua-Flo XP2e 2.0 HP, 56 Frame, 1-Speed pumps with 2″ inlet and 2″ discharge
- ✅ Waterway Executive 2.0 HP, 56 Frame pumps with matching port sizes and electrical specs
⚠️ Important Compatibility Notes:
- The LX wet end will NOT fit Waterway, Aqua-Flo, or other North American brand motors — this is a complete pump assembly (wet end + motor).
- The footprint of the LX 56 frame pump is similar to the Waterway brand 56 frame pump, but the wet end diameter on the LX pump is slightly smaller. When replacing a Waterway Executive 56 pump, the discharge threads may sit approximately 3/4″ lower and the intake threads approximately 1/2″ lower when measured from the base. Minor plumbing adjustments may be needed.
- LX pumps manufactured from 2015 onward use North American standard threads. Pumps made before 2015 used metric threads; the unions are not interchangeable.
- Always compare amperage draw, voltage, frame size, and port sizes between your old pump and this replacement before ordering.
🛠️ Installation Requirements
Mounting:
| Requirement | Specification |
|---|---|
| Mounting Position | Horizontal |
| Base | Solid, level surface with vibration dampening |
| Ventilation | Adequate clearance around motor for air cooling |
| Access | Sufficient space for maintenance and service access |
| Mounting Style | Feet/base included — bolts to flat surface |
Plumbing Connections:
| Connection | Size |
|---|---|
| Suction | 2″ MBT (center) |
| Discharge | 2″ MBT (side — rotatable in 90° increments) |
| Union Type | Unions included with pump |
Wet End Rotation:
The wet end is manufactured in a default orientation but can be rotated to match your existing spa plumbing. Simply loosen the through-bolts securing the wet end to the motor and rotate to the desired discharge position (12, 3, 6, or 9 o’clock).
Installation Notes:
- ⚠️ Pump must be installed below water level (flooded suction) to ensure proper priming
- ⚠️ Never run the pump dry — doing so will damage the mechanical seal
- ⚠️ Ensure proper electrical grounding and bonding per NEC requirements
- ⚠️ GFCI protection is required by code for all hot tub and spa installations
- ⚠️ Use plumber’s grease (not petroleum-based lubricant) on O-rings during installation to prevent binding and ensure a proper seal
- ⚠️ Check and hand-tighten union connections after filling the spa and running the pump, then verify for leaks
🔄 Maintenance Guide
Routine Maintenance:
| Task | Frequency | Notes |
|---|---|---|
| Check for leaks | Monthly | Inspect around mechanical seal and union connections |
| Inspect unions and O-rings | Monthly | Tighten if needed; replace O-rings if cracked or worn |
| Clean strainer basket / filter | As needed | Remove debris to maintain proper flow |
| Check amperage draw | Annually | Should read approximately 8.0A at 230V; significant deviation indicates a problem |
| Inspect motor vents | Quarterly | Keep clear of debris, leaves, and insulation material |
| Check mounting bolts | Quarterly | Tighten if loose; vibration can loosen bolts over time |
| Verify GFCI function | Monthly | Test the GFCI breaker to ensure it trips and resets properly |
Warning Signs – Consider Pump Replacement If:
- Unusual noise such as grinding, screeching, or humming without rotation
- Water leaking from the mechanical seal area
- Motor trips the circuit breaker repeatedly
- Noticeably reduced water flow at the jets
- Motor runs excessively hot or shuts off from thermal overload
- Visible corrosion or physical damage to the wet end or motor housing
Seal Replacement:
- 📍 Seal Type: Viton / Silicon Carbide / Graphite mechanical seal
- ⚠️ Replace seal at the first sign of leakage from the seal area
- ⚠️ Ensure the replacement seal is specifically designed for LX WUA series pumps
🎯 Ideal Applications
| Application | Suitability | Notes |
|---|---|---|
| ♨️ Hot tub jet pump | ✅ Yes | Primary application — delivers powerful massage jet pressure |
| ♨️ Spa jet pump | ✅ Yes | Designed for spa systems with 2″ plumbing |
| 🛁 Whirlpool bath | ⚠️ Verify | Suitable if voltage, amperage, and plumbing match; most whirlpool baths use 115V — this pump is 230V |
❓ Frequently Asked Questions
Q: What horsepower is this pump? A: This pump is rated at 2.0 HP. Keep in mind that spa pump HP ratings can vary by measurement method. For the most accurate comparison with your existing pump, match the amperage draw (8.0A at 230V for this model).
Q: Will this fit my hot tub? A: This pump has a 56 frame with 2-inch MBT suction and discharge ports and a side discharge. To determine compatibility, check your existing pump’s frame size (48 or 56), port sizes, discharge location, voltage, and amperage. If those specifications match, this pump should be a suitable replacement.
Q: What voltage does this pump require? A: 230V / 60Hz. This is a 230-volt pump only and cannot be converted to 115V. Verify your existing pump’s voltage before ordering. Using incorrect voltage will damage the motor and is not covered under warranty. All electrical installation must be performed by a licensed electrician.
Q: Is this a single-speed or dual-speed pump? A: This is a single-speed (1-speed) pump. If you need a 2-speed version with the same specifications, the 56WUA200-II is the dual-speed variant of this pump.
Q: What size are the ports? A: Both the suction and discharge ports are 2-inch MBT (male buttress thread). The actual outer diameter of the union threads measures approximately 3 inches across — the “2 inch” rating refers to the inner plumbing diameter for 2-inch hose or pipe.
Q: Is a pump cord included? A: No, the pump cord is NOT included. You can reuse your existing pump cord or purchase a compatible amp cord separately. Wiring terminals on the motor are labeled for easy connection.
Q: Can I rotate the discharge direction? A: Yes. The wet end can be rotated in 90-degree increments (12, 3, 6, or 9 o’clock position) by loosening the through-bolts that secure the wet end to the motor.
Q: What warranty is included? A: This pump comes with a 1-year manufacturer’s limited warranty (repair or replace). The motor serial number label (located on the outside of the motor) is required for all warranty claims. Contact Parts4Tubs for full warranty terms and support.
Q: How do I know if my pump needs replacing? A: Common signs include unusual noise (grinding, screeching), water leaking from the seal area, reduced jet flow, the motor repeatedly tripping the circuit breaker, or the motor overheating and shutting off.
Q: Do I need a GFCI breaker? A: Yes. GFCI (Ground Fault Circuit Interrupter) protection is required by the National Electrical Code (NEC) for all hot tub and spa electrical installations.
Q: Will LX unions fit my existing Waterway or Aqua-Flo plumbing? A: LX pumps manufactured from 2015 onward use North American standard threads that are compatible with standard 2″ MBT unions. However, the unions included with this pump may differ slightly from your existing fittings. It is recommended to use the unions provided with the pump for the best seal, and to have spare O-rings on hand.
🏆 Why Choose the LX 56WUA200-I
- ✅ Powerful 2.0 HP jet performance – Strong, consistent water pressure for effective massage therapy
- ✅ 56 frame motor runs cooler and quieter – Larger motor frame dissipates heat more efficiently than 48 frame equivalents
- ✅ Pure copper winding motor – Superior conductivity for longer motor life and cooler operation
- ✅ Anti-creep bearing with high-temperature grease – Reduces noise and extends service life
- ✅ UL and ETL certified – Independently verified for North American electrical safety standards
- ✅ Broad compatibility – Replaces comparable Aqua-Flo XP2e and Waterway Executive 56 frame, 2.0 HP pumps
- ✅ Rotatable wet end – Flexible discharge orientation for easy installation without replumbing
- ✅ Viton / SiC / graphite mechanical seal – Chemical-resistant, durable, watertight seal built for continuous spa operation
- ✅ 1-year manufacturer’s warranty – Peace of mind backed by the manufacturer
🤝 Why Buy from Parts4Tubs
- ✅ US-based support for American customers
- ✅ Fast shipping across the United States
- ✅ Expert advice from spa and hot tub specialists
- ✅ Competitive pricing in USD
- ✅ Full warranty support
- ✅ Hassle-free returns
- ✅ Replacement seals, unions, O-rings, and parts available
- ✅ Dedicated customer service team
✨ Summary
The LX Lingxiao 56WUA200-I is a 2.0 HP, single-speed, 230V jet pump with a 56 frame motor, 2-inch MBT suction and discharge ports, and side discharge configuration. Featuring a pure copper winding motor, anti-creep bearing technology, and UL/ETL certification, it delivers powerful, reliable jet performance for hot tubs and spas. A proven replacement for Aqua-Flo XP2e and Waterway Executive 2.0 HP 56 frame pumps. Order from Parts4Tubs today for fast US shipping and expert support.
Union, Pump, Magic, 1-1/2"S x 1-1/2"FBT (Industry Standard) w/ O-Ring | ||
Union, Pump, Magic, 2"S x 2"FBT (Industry Standard) w/ O-Ring | ||
Union, Pump, Waterway, 2-1/2"FBT x 2-1/2"S | ||
Amp Plug, Pump, 1-Speed, 14/3, 4-Pin, 5' Cord, White | ||
Amp Plug, Pump 1 (2-Speed) 14/4, 72" Long, White |
Hot Tub Pump Collar & Union Size Chart
| Union Size | Collar Size | Thread OD | Union OD | O-Ring Size |
|---|---|---|---|---|
|
1.5"
Female Buttress
Thread (FBT) |
2.5" / 64mm
(Tip to Tip)
Measurement |
2-1/2"
64mm
|
2-13/16"
71mm
|
2-5/16" OD
59mm
|
|
2"
Female Buttress
Thread (FBT) |
3.1" / 78mm
(Tip to Tip)
Measurement |
3-1/16"
78mm
|
3-3/8"
81mm
|
2-15/16" OD
75mm
|
|
2.5"
Female Buttress
Thread (FBT) |
3.6" / 91mm
(Tip to Tip)
Measurement |
3-5/8"
91mm
|
4-1/4"
108mm
|
3-7/16" OD
87mm
|
Important Notes
How do I Replace a Hot Tub Pump?
Here's a general step-by-step guide on how to replace a hot tub pump. Keep in mind that the specific steps may vary depending on your hot tub's make and model, so it's essential to consult your hot tub's manual for model-specific instructions. If you're not comfortable with this procedure, it's a good idea to seek professional assistance.
Materials You'll Need:
- Replacement pump
- Pipe wrench
- Adjustable wrench
- Screwdriver
- Pipe sealant (thread tape or plumber's putty)
- PVC primer and cement (if you have PVC plumbing)
- Teflon tape (for threaded connections)
Procedure:
-
Turn Off the Power: Before you begin, ensure the hot tub's power supply is turned off at the circuit breaker or disconnect switch. Safety should always be a priority when working with electrical components.
-
Drain the Hot Tub: If your hot tub is not already empty, you'll need to drain it. Follow your hot tub's manual or manufacturer's instructions for proper draining. (You might not need to do this if you can lock the pump off with the gate valves)
-
Locate the Pump: Identify the location of the existing pump in your hot tub. It's usually located near the equipment area or in a designated pump compartment.
-
Disconnect the Electrical Wiring: Carefully disconnect the electrical wiring from the old pump. This typically involves removing the electrical conduit cover, unscrewing wire nuts, and disconnecting the wires from the terminals. Be sure to note the wire connections or take a picture for reference when connecting the new pump.
-
Disconnect the Plumbing: Depending on your hot tub's plumbing setup, you'll need to disconnect the plumbing connections to the pump. Use a pipe wrench or adjustable wrench to loosen and remove the fittings. Be prepared for some water spillage when disconnecting the plumbing.
-
Remove the Old Pump: Once the electrical and plumbing connections are detached, carefully remove the old pump from its mounting position. Some pumps may be secured with mounting brackets or bolts.
-
Prepare the New Pump: If the new pump is not pre-assembled, you may need to attach fittings, unions, or adapters to match your hot tub's plumbing. Ensure that you use the appropriate sealant or Teflon tape on threaded connections to prevent leaks.
-
Mount the New Pump: Position the new pump in the same location as the old one and secure it in place using the mounting brackets or bolts.
-
Reconnect Plumbing: Reconnect the plumbing to the new pump, ensuring that all connections are tight and secure. If your hot tub uses PVC plumbing, use PVC primer and cement to bond the connections properly.
-
Reconnect Electrical Wiring: Reconnect the electrical wiring to the new pump, following the notes or pictures you took earlier. Make sure all wires are properly connected and secure.
-
Turn On the Power: Restore power to the hot tub by switching on the circuit breaker or reconnecting the disconnect switch.
-
Test the Pump: Turn on the hot tub's pump to ensure that it's working correctly. Check for any signs of leaks or irregularities in the plumbing connections.
-
Refill the Hot Tub: Once you've confirmed that the new pump is functioning properly, refill the hot tub with water.
-
Check for Leaks: Inspect the plumbing connections for any leaks. If you find any, turn off the pump, drain the tub again, and reseal the connections as needed.
-
Monitor: Keep an eye on the pump and plumbing for the next few days to ensure everything is functioning correctly and that there are no further issues.
Remember that this is a general guideline, and the specific steps may vary based on your hot tub's design. If you're unsure or uncomfortable with any aspect of this process, please do get in touch, happy to help.
How do I know what size hot tub pump I have?
Determining the size of your hot tub pump is an important step when it comes to maintenance or replacement. To find out the size of your hot tub pump, follow these steps:
-
Check the Manual: The easiest way to determine the size of your hot tub pump is to consult the owner's manual or user documentation that came with your hot tub. The manual typically contains detailed information about the specifications and components of your hot tub, including the pump.
-
Look at the Pump Housing: If you don't have access to the manual or it doesn't provide the information you need, inspect the pump itself. Most hot tub pumps have a label or plate on the pump housing that displays essential details, including the pump's model number, manufacturer, and specifications. You can then send that to me or Google it.
-
Measure the Pump: If the label is missing or damaged, you can measure the pump's dimensions. Measure the diameter of the pump's wet end (the part where the water flows) and the length of the wet end. These measurements can help identify the size and capacity of the pump.
-
Consult the Manufacturer: If you can't find the information on the pump or in the manual, contact the hot tub manufacturer or a reputable dealer. Provide them with your hot tub's model and serial number, and they should be able to identify the correct pump size for your specific hot tub.
-
Online Research: You can also search online using the pump's model number or hot tub's make and model. Many manufacturers provide detailed information about their products on their websites, and you may find specifications for your pump model.
Once you have determined the size and specifications of your hot tub pump, you can proceed with maintenance, repairs, or replacement if necessary. Keep in mind that replacing a hot tub pump with the same size and capacity as the original is crucial to ensure proper water circulation and filtration in your hot tub. If you're unsure about any aspect of this process, get in touch, always happy to help.








