R125A-C Whirlpool Pump Replacement | ITT Marlow Gemini Plus II | 0010F00C
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ITT Marlow Gemini Plus R125A-C (0010F00C) Whirlpool Pump Replacement | Direct-Fit 1.25 HP Upgrade
Restore your whirlpool bathtub's powerful hydrotherapy with the ITT Marlow Gemini Plus R125A-C (0010F00C) Whirlpool Pump Replacement. Manufactured by NuWhirlSystems, this premium direct-fit replacement is engineered to replace the discontinued original Gemini Plus pump while maintaining the plumbing layout, performance, and reliability homeowners and service professionals expect.
Designed for a seamless retrofit, this replacement preserves your existing plumbing configuration in most installations while incorporating a modern, high-efficiency motor that delivers dependable whirlpool performance with smooth, quiet operation.
✔ Whirly Bros Verified Compatibility
This replacement has been verified for compatibility with the original ITT Marlow Gemini Plus R125A-C (0010F00C) whirlpool pump through manufacturer specifications, dimensional comparison, plumbing configuration, electrical requirements, and real-world installation experience.
At Whirly Bros, we don't simply cross-reference part numbers. Before starting Whirly Bros, our founder previously served as Sales Manager for NuWhirl Systems, working closely with whirlpool manufacturers, distributors, installers, and service professionals throughout North America. That experience provides valuable insight into legacy ITT Marlow, Gemini Plus, Hydro Air, and NuWhirl whirlpool systems, allowing us to recommend replacement pumps based on actual compatibility—not just catalog listings.
If you're unsure whether this is the correct replacement for your bathtub, simply send us a photo of your existing pump label, plumbing connections, or bathtub information before ordering. We'll gladly help verify compatibility and help you avoid unnecessary returns and installation delays.
Why Choose This Replacement?
- Direct replacement for ITT Marlow Gemini Plus R125A-C (0010F00C).
- 1.25 HP performance delivers powerful, consistent hydrotherapy.
- Built by NuWhirl Systems, one of North America's most trusted whirlpool pump manufacturers.
- Factory-installed pneumatic air switch for dependable operation.
- Includes unions and air switch tubing for a straightforward installation.
- Modern high-efficiency motor provides reliable performance while reducing electrical consumption compared to many older pump designs.
- Quiet, smooth operation for a relaxing whirlpool experience.
- One-Year Manufacturer Warranty.
Technical Specifications
| Specification | Details |
|---|---|
| Replacement For | ITT Marlow Gemini Plus R125A-C (0010F00C) |
| Manufacturer | NuWhirl Systems |
| Horsepower | 1.25 HP |
| Voltage | 120 Volts AC |
| Frequency | 60 Hz |
| Operating Current | Approximately 8.5 Amps |
| Pump Type | Single-Speed Whirlpool Pump |
| Control Type | Built-In Pneumatic Air Switch |
| Included | Pump, Unions, Air Switch Tubing |
| Installation | Direct Replacement |
| Warranty | 1-Year to Original Purchaser |
Installation Notes
This replacement is designed as a direct retrofit for the original R125A-C (0010F00C) pump. In most installations, your existing plumbing layout can be retained without modifying the bathtub or piping.
For best long-term reliability, inspect the unions, O-rings, air tubing, and air button during installation. Replacing worn sealing components can help prevent future leaks and maximize pump performance.
Need Help Identifying Your Pump?
If your pump label has faded or become unreadable, don't guess. Send Whirly Bros a photo of your existing pump, motor label, plumbing connections, or bathtub model information. We'll help identify the correct replacement before you order, saving you time and avoiding unnecessary returns.
Frequently Asked Questions
Is this an original ITT Marlow pump?
No. The original Gemini Plus R125A-C has been discontinued. This is a premium aftermarket replacement manufactured by Balboa Water Group and engineered as a direct-fit replacement.
Will this fit my existing plumbing?
Yes. This replacement is engineered to fit the original Gemini Plus R125A-C plumbing configuration in most installations without modification.
Does the pump include the air switch?
Yes. The pneumatic air switch is factory installed, and installation accessories are included for a straightforward retrofit.
Can Whirly Bros verify my replacement before I order?
Absolutely. Send us photos of your existing pump or motor label, and we'll gladly help verify compatibility before you purchase.
Why Buy From Whirly Bros?
- ✔ Whirlpool bathtub replacement specialists.
- ✔ Decades of real-world industry knowledge.
- ✔ FREE U.S. Shipping on Orders Over $100.
- ✔ Most orders ship the same business day.
- ✔ Friendly technical support by phone, text, chat, or email.
Trademark Disclaimer: ITT Marlow®, Gemini Plus®, Hydro Air®, NuWhirl®, and all referenced manufacturer names, trademarks, and part numbers are used solely for identification and compatibility purposes. This product is an aftermarket replacement and is not manufactured, sponsored, authorized, or endorsed by the respective trademark owners.
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