Balboa Gemini Plus R75A-C Bath Pump — 120V, 0.75 HP, 8.5A (NR2A-C)

The Balboa Gemini Plus R75A-C bath pump is the compact powerhouse that has powered countless whirlpool baths with dependable performance. Operating at 120V with an 8.5-amp draw, this 0.75 HP pump delivers steady flow to drive high‑demand jet systems while fitting into tight spa cabinets and tight installation spaces. Designed for easy replacement and durable service, it’s a trusted choice for seasoned hot tubs and spa builds that demand consistent jet action.

Why the R75A-C stands apart

• 8.5 amps at 120V with a 0.75 HP output for solid, reliable whirlpool flow.
• NR2A-C configuration, a proven Balboa setup that has powered many installations for years.
• Centerline discharge enables flexible mounting—install on the right or left to suit your cabinet layout.
• Engineered seal design focused on long‑term reliability and reduced maintenance needs.
• Compact footprint that fits in tight spaces without sacrificing performance.
• Factory‑installed cord options and available air‑switch configurations to simplify wiring and control.
• Replacement options available if you’re upgrading or aligning with older NR2A‑C family pumps (NR4A-C for higher flow).

Key specifications and installation at a glance

Part number: 0034F00C (R75A-C), 120V, 50/60 Hz, nominal 8.5 A draw. This version is designed for standard Balboa control ecosystems and pairs with the NR2A-C family for dependable performance in most mid‑ to high‑flow whirlpool setups.

Who benefits most from this pump

• Homeowners upgrading an aging Balboa spa system who want a reliable, factory‑supported replacement.
• Installers seeking a compact, easy‑to‑fit pump for baths with space constraints or custom cabinetry.
• Hot tub enthusiasts who value predictable jet performance and the ability to mount the pump in either orientation thanks to centerline discharge.

Practical tips for best results

• Verify your current pump’s mounting orientation and verify your cabinet space before ordering to leverage the centerline discharge flexibility.
• Consider your control scheme: options exist for factory‑installed cords or air‑switch configurations to streamline wiring and user experience.
• If you anticipate higher jet demand in the future, know that higher‑flow NR4A‑C options are available; this can simplify future upgrades without changing the pump family.
• Ensure compatibility with your Balboa control system and jets to maximize performance consistency across seasons.

Balboa Water Group’s legacy in spa and whirlpool components means you’re choosing a pump with a history of reliability and support. The Gemini Plus line, including the R75A-C, is a trusted foundation for robust jet power in countless whirlpool installations, and it remains a practical, durable choice for today’s spa builds and replacements.

Balboa.75 HP Gemini Plus R75A-C Bath Pump [120V] [8.5 Amps] [NR2A-C] [ITT-NR2A-C] (0034FOOC)

• This was sometimes marketed as a 10.5 amp model

• REPLACEMENT OPTIONS: NR4A-C

The original Gemini Plus pump combined advanced variable speed technology with superior performance to become the "the choice" of manufacturers for almost a decade. The new ultra compact Balboa Gemini Plus II series now offers improved performance and quiet operation to meet the demands of todays high flow Whirlpool bath jet systems. The compact design of the Gemini Plus II is available in standard configurations, providing a high performance pump that will fit in virtually any installation. 

Balboa Gemini Plus II Bath Pumps Feature:

• Added horsepower ranges - Gemini Plus II are available in AMP Draw / NR2 8.5 AMPS and NR4 12.5 AMPS
• Engineered seal design for maximum reliability
• Centerline discharge allows right or left mounting
• Factory installed cord
• Air Switch