MASTER SPAS 3hp, 1spd Pentair Power WOW 230v - X320400
This is a Genuine OEM Direct Replacement Master Spa Part
Master Spa Replacement Spa Pump - 3hp 1spd Pentair Ultimax 240V Power WOW The volute ships at the 9 o'clock position, and may need to be rotated based on configuration in your Master Spa.
What our Experts Think
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High-performance jet pump: The 3HP output delivers strong water flow, making it ideal for powering therapy jets and maintaining consistent spa pressure in larger systems.
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OEM direct replacement: Part X320400 (Pentair Power WOW platform) is designed as a factory-fit replacement, ensuring correct electrical and plumbing compatibility with supported Master Spas models.
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Reliable 230V operation: Runs on a standard 230V single-speed configuration, providing stable, full-power performance when jets are activated.
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Robust 56-frame motor: Built on a heavy-duty 56FR motor platform for durability, long service life, and consistent high-load operation in spa environments.
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Serviceable wet-end design: Rotatable discharge orientation allows easier installation alignment without major plumbing changes in most setups.
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Designed for demanding use: Engineered for hydrotherapy systems requiring strong, uninterrupted flow—especially in multi-jet or high-resistance plumbing layouts.
Q&A
Q: What is the MASTER SPAS 3HP 1-Speed Pentair Power WOW Pump 230V – X320400?
A: It is an OEM single-speed 3 horsepower spa pump used in compatible Master Spas systems to deliver strong, consistent jet performance.
Q: What is the “Pentair Power WOW” pump?
A: It is a high-performance spa pump manufactured by Pentair, designed for durability and efficient water circulation in hot tubs and swim spas.
Q: What does 1-speed mean?
A: The pump operates at a single fixed speed, providing full-power output when activated for jets or high-flow operation.
Q: What voltage does it use?
A: It runs on 230V (240V nominal), standard for residential spa installations.
Q: What does 3HP indicate?
A: It refers to the motor’s horsepower rating, meaning it delivers strong water pressure for jet systems and swim spa flow.
Q: Is this an OEM replacement part?
A: Yes. X320400 is a genuine Master Spas replacement pump built to original specifications.
Q: What spas is it compatible with?
A: It is designed for specific Master Spas models requiring a 3HP, 1-speed 230V pump—compatibility must be verified before purchase.
Maintenance Tips
- Keep the pump area dry, clean, and well-ventilated to protect the Pentair motor and prevent corrosion of electrical components and bearings.
- Maintain clean filters and unrestricted water flow—dirty or clogged filters increase load and can reduce jet performance and pump life.
- Never run the pump dry; always ensure proper water level and priming before starting to avoid seal damage and overheating.
- Check for leaks at unions and plumbing connections regularly, as small air or water leaks can reduce efficiency and cause cavitation noise.
- Listen for unusual sounds (grinding, rattling, or loud humming) which may indicate worn bearings or impeller issues needing early service attention.
- Ensure stable 230V power supply with proper GFCI protection to avoid electrical stress and premature motor failure.
- Keep water chemistry balanced to prevent scale buildup inside the wet end and maintain consistent flow and performance.
Damage 
Loss 
Theft 
