⚡ Gecko Aqua-Flo Flo-Master FMXP2E Spa Pump – 2.0 HP 2-Speed 230V 56-Frame (05320761-2040)

Energy-efficient dual-speed jet power for multi-jet spa and hot tub systems

📋 Product Overview

The Gecko Aqua-Flo Flo-Master FMXP2E is a high-performance, energy-conscious dual-speed jet pump engineered for today’s heavily jetted hot tubs and spas. Rated at 2.0 HP continuous (3.0 brake horsepower), this 56-frame pump delivers greater flow rates than its XP2 predecessor while fitting within the same physical envelope — making it an ideal direct upgrade or replacement.

Operating at 230V/60Hz with dual-speed capability, the FMXP2E provides powerful high-speed jet therapy and efficient low-speed circulation and heating in a single pump. The 2-inch intake and discharge connections with included union fittings make installation straightforward. Backed by UL approval (E62386) and a 2-year manufacturer warranty from Gecko Alliance, this pump is a trusted choice for spa professionals and homeowners across North America.

✨ Key Features

• ✅ 2.0 HP Continuous / 3.0 BHP Motor – Delivers strong jet performance for multi-jet spa configurations
• ✅ Dual-Speed Operation – High speed for powerful hydrotherapy jets; low speed for energy-efficient circulation and heating
• ✅ 56-Frame (NEMA 56Y) Motor – Larger frame provides greater flow capacity and enhanced thermal performance
• ✅ 230V / 60Hz Electrical – Standard North American 240V spa circuit compatible
• ✅ 2-Inch Intake and Discharge – Side discharge with 2″ MBT (male buttress thread) connections
• ✅ Rotatable Wet End – Discharge can be oriented in 4 positions (12, 3, 6, and 9 o’clock) for flexible installation
• ✅ Insulation Class F, Thermally Protected – High ambient temperature run rated for long motor life
• ✅ Gecko Universeal Seal System – High-quality mechanical seal for reliable leak prevention
• ✅ Sealed Bearings – Factory-sealed motor bearings for extended service life
• ✅ UL Approved (E62386) – Safety tested and approved for the North American market
• ✅ Unions and O-Rings Included – 2x white 2″ union nuts with 2″ slip tail pieces and O-rings included in box
• ✅ 2-Year Manufacturer Warranty – Factory-backed by Gecko Alliance

⚙️ Technical Specifications

⚠️ HP Rating Note: This pump is rated 2.0 HP continuous (operational horsepower) with 3.0 brake horsepower (BHP/THP). Some retailers list as “2 HP” while others reference “3 HP motor.” Both refer to the same pump — 2.0 HP is the continuous output rating, 3.0 BHP is the total/brake rating.

🔌 Electrical Requirements

⚠️ IMPORTANT ELECTRICAL SAFETY:

• All electrical work must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and local building codes.
• Hot tubs require GFCI (Ground Fault Circuit Interrupter) protection — this is mandatory per NEC.
• A dedicated circuit is required — do not share with other appliances.
• The motor must be bonded with no smaller than #8 AWG solid copper conductor per NEC.
• Always refer to the wiring diagram on the motor rating plate for correct wiring connections.
• Using incorrect voltage will damage the motor and void the warranty.

🔗 Compatibility Guide

Frame and Wet End Specifications:

This Pump Replaces the Following Part Numbers:

05320761-2000, 05320004-2, 05320008-2, 05320306-1, 05620007-2, 05815001-2040, 05625005-2, 05625006-2, 05820009-5, 05520000-2 (Single Speed), 07322782-2, 07323000-2, 07323001-2 (MP 160), 07315783-2, 07323325-2, 6500-126 (Sundance), 630-6117 (Marquis MP-160), 05825029-5, 05220003-5 (Single Speed), 05220737-2, PRC9089X (Power Right), 1-00-0019, 34-402-5250

Compatible Motor Part Numbers: Emerson R63MWDLY-173, Marathon Electric 5KCP49SN9117X, 5KCP39TNB744X

⚠️ Compatibility Tip: When replacing a single-speed pump with this 2-speed model, the pump can be wired for single-speed operation (high speed only). Verify frame size, voltage, wet end size, and port sizes match your existing pump before ordering.

🛠️ Installation Requirements

Mounting:

Plumbing:

Installation Notes:

• ⚠️ Pump must be installed below water level (flooded suction) — the pump casing (volute) must be completely filled with water before starting.
• ⚠️ Never run pump dry — this causes immediate seal damage and voids warranty.
• ⚠️ Hand tighten compression fittings only — do not use a wrench.
• ⚠️ Do NOT use thread seal tape (PTFE), Teflon compound, or any sealant on compression fittings. Sealants are only for NPT threaded connections.
• ⚠️ Ensure proper grounding and bonding per NEC requirements — #8 AWG solid copper conductor minimum.
• ⚠️ GFCI protection is required by code for all hot tub and spa installations.
• ⚠️ To rotate the wet end discharge position, loosen the four long bolts at the back of the motor and rotate to the desired position (12, 3, 6, or 9 o’clock).

🔧 Maintenance Guide

Routine Maintenance:

Warning Signs — Replace Pump If:

• Unusual noise (grinding, screeching, or humming without rotation)
• Water leaking from the seal area
• Motor trips the breaker repeatedly
• Noticeably reduced water flow at jets
• Motor overheating or shutting off on thermal protection

Seal Replacement:

• Seal Type: Gecko Universeal
• Seal Part Number: 92500150
• ⚠️ Replace seal at first sign of leakage — do not allow continued operation with a leaking seal.

Wet End Replacement Parts:

• Wet End Assembly (2.0 HP, 56 Frame, 2″): 91041920-000
• Volute O-Ring (48/56 Frame XP2/XP2E): 92200301
• Impeller (2.0 HP): 91694200

Winterization:

To prevent freeze damage, disconnect all electrical power, drain the pump thoroughly, and clean out any debris. Store in a dry, well-ventilated area or cover the pump if it remains in place.

🎯 Ideal Applications

❓ Frequently Asked Questions

Q: What horsepower is this pump? A: This pump is rated at 2.0 HP continuous (operational horsepower) and 3.0 BHP (brake horsepower). The 2.0 HP rating represents continuous output; the 3.0 BHP represents total motor rating.

Q: Will this fit my hot tub? A: This pump has a 56-frame motor with a 2-inch wet end, side discharge, and center suction. Check your existing pump’s frame size (48 vs 56), wet end port sizes, and voltage before ordering. This pump directly replaces many popular models — see the Compatibility Guide above.

Q: What voltage does this pump require? A: 230V / 60Hz. This is compatible with standard North American 240V spa circuits. All electrical installation must be performed by a licensed electrician.

Q: Does this pump run on 115V or 230V? A: This specific model (05320761-2040) requires 230V only. Using 115V will not operate the pump. Using incorrect voltage will damage the motor and void the warranty.

Q: Is this a single or dual speed pump? A: This is a dual-speed (2-speed) pump. High speed powers the therapy jets; low speed provides energy-efficient circulation and heating. It can also be wired for single-speed (high speed only) operation if needed.

Q: What size are the ports? A: Both suction (intake) and discharge are 2 inches (MBT). The outside thread-to-thread measurement across the pump fittings is approximately 3 inches, which accommodates a 2-inch pump union connecting to 2-inch inner diameter hose/pipe/plumbing.

Q: What is the difference between the XP2 and XP2E? A: The XP2E (Flo-Master XP2e) is an upgraded, energy-efficient version of the XP2. It uses a 56-frame motor (vs 48-frame on the XP2) and delivers greater flow rates while maintaining improved energy efficiency. The XP2E fits within the same physical envelope as the XP2.

Q: Does it come with a power cord? A: Yes, this pump includes a 96-inch (8 ft) cable with an AMP plug for connection to compatible Gecko and other spa control systems.

Q: What warranty is included? A: This pump carries a 2-year manufacturer warranty from Gecko Alliance. Contact Parts4Tubs for full terms and warranty claims.

Q: How do I know if my pump needs replacing? A: Signs include unusual noise (grinding or screeching), water leaking from the seal, reduced flow at the jets, or the motor repeatedly tripping the circuit breaker.

Q: Do I need a GFCI breaker? A: Yes, GFCI protection is required by the National Electrical Code (NEC) for all hot tub and spa installations in the United States.

Q: Can I rotate the discharge direction? A: Yes. The wet end discharge can be rotated to 4 positions (12, 3, 6, or 9 o’clock) by loosening the four long bolts at the back of the motor and rotating the wet end to the desired position.

🏆 Why Choose the Gecko Aqua-Flo FMXP2E 2.0HP

• ✅ Powerful dual-speed performance – 2.0 HP continuous for strong jet therapy with energy-efficient low-speed circulation
• ✅ Enhanced energy efficiency – XP2E design delivers greater flow than the XP2 while reducing operating costs
• ✅ Proven 56-frame reliability – Class F insulation with thermal protection for long motor life
• ✅ Versatile installation – 4-position rotatable discharge and extensive cross-reference compatibility
• ✅ UL safety approved – UL E62386 certification for the North American market
• ✅ 2-year factory warranty – Backed by Gecko Alliance, a leading spa equipment 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, wet ends, and parts available
• ✅ Dedicated customer service team

💧 Summary

The Gecko Aqua-Flo Flo-Master FMXP2E (05320761-2040) is a 2.0 HP continuous, dual-speed, 56-frame jet pump running on 230V/60Hz. Designed for multi-jet hot tubs and spas, it delivers powerful hydrotherapy on high speed and energy-efficient circulation on low speed. With UL approval, a rotatable 4-position discharge, included unions, and a 2-year manufacturer warranty, this pump is a reliable and versatile choice for new installations and replacements alike. Order today from Parts4Tubs for fast shipping and expert support.

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Hot Tub Pump Collar & Union Size Chart

Imperial & Metric Specifications

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

The union "size" (1.5", 2", 2.5") is nominal and doesn't correspond to any actual measurement.

Collar size is measured from thread tip to thread tip on the pump outlet.

Most hot tub pumps use Female Buttress Thread (FBT) - 98% of applications.

O-ring gaskets may vary between manufacturers - measure your existing gasket for accuracy.

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:

1. 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.

2. 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)

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. 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.

11. Turn On the Power: Restore power to the hot tub by switching on the circuit breaker or reconnecting the disconnect switch.

12. 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.

13. Refill the Hot Tub: Once you've confirmed that the new pump is functioning properly, refill the hot tub with water.

14. 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.

15. 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:

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.