1.25 HP ITT Marlow Gemini Plus R125A-C Bath Pump

Meet the 1.25 HP ITT Marlow Gemini Plus R125A-C Bath Pump—a smart, high-performance replacement designed to keep your R125A-C Gemini Plus II Whirlpool system running at peak reliability. This modern alternative preserves the punch you expect from a Gemini Plus setup while delivering noticeable efficiency gains and quieter operation.

Direct-fit performance with real-world benefits

• Identical pump curve and output: This pump mirrors the original R125A-C’s performance, so your whirlpool experience stays consistent in massage power and flow.
• Energy-conscious design: The 1.25 HP motor is optimized for lower amp draw, translating to meaningful energy savings without sacrificing performance.
• Whisper-quiet operation: Engineered to minimize noise, so long soaks stay serene and conversations aren’t interrupted by pump hum.
• Direct-fit replacement: Unions align with your existing plumbing, enabling a straightforward swap with no re-plumbing required.
• Ready-to-install accessories: Includes two union gaskets and built-in fittings to simplify setup and reduce downtime.
• Air Switch reliability: Built-in Air Switch Relay and new tubing for Air Switch ensure responsive, dependable control.
• Broad compatibility: Seamlessly fits within the Gemini Plus II family as a modern replacement option.

What’s included and what makes it stand out

• Pump union and two union gaskets for secure, leak-proof connections
• Built-in Air Switch Relay and new tubing for Air Switch
• Designed to preserve the pump curve and flow characteristics you rely on
• Optimized for energy efficiency, helping lower operating costs over time

Ideal use cases

Perfect for residential whirlpools, spa tubs, and hydrotherapy baths where you want reliable massage power with a calm operating profile. If you’re upgrading a discontinued R125A-C Gemini Plus II pump, this model provides a seamless transition with modern efficiency and dependable performance, keeping your spa routine uninterrupted.

Practical tips for best results

• Verify that your plumbing layout and mount points align with the included unions before installation.
• After installing, inspect the Air Switch connections and run a test to confirm a quick, decisive on/off cycle.
• Schedule routine inspections of the pump area to maintain quiet, efficient operation and catch wear early.

With the 1.25 HP ITT Marlow Gemini Plus R125A-C Bath Pump, you don’t just replace a pump—you upgrade to a cleaner, more efficient, quieter spa experience that preserves the familiar feel of your Gemini Plus system while trimming energy use and reducing noise. Ready for a straightforward swap that keeps your tub’s performance on point? This replacement is built to fit your existing setup and keep your relaxation time uninterrupted.