Description
Balboa.5 HP WOW Bath Pump / Ultima Wet End — 1215163
The Balboa.5 HP WOW Bath Pump with the Ultima wet end is a trusted, dependable solution for reviving aging spa and bath systems. Although Balboa Water Group discontinued this model, it remains a reliable direct replacement for older setups that require a 0.5 horsepower pump and a compatible Ultima wet end. Replaces Balboa 388335 and is specified for use with a 5.5 amps motor, ensuring a familiar fit in established Balboa installations.
Why this Balboa pump stands out
- Direct compatibility with 5.5A Balboa motor configurations and the WOW pump family, making it a straightforward, no-surprise replacement for existing plumbing and control layouts.
- Ultima wet end design aimed at steady, dependable water flow for spa jets, filtration, and circulation—helping maintain consistent heater operation and jet performance.
- Part continuity cataloged as 1215163 and serving as a replacement for 388335, so you’re aligning with Balboa’s established component lineage.
- Discontinued by manufacturer status means it’s ideal for repairs in existing systems rather than as a new-build option—worth considering if you’re restoring a spa to its original performance.
What problems this pump solves
When a spa pump struggles or fails, jet action drops, circulation slows, and heater cycling becomes erratic. This Balboa 0.5 HP pump restores proper water movement, reestablishing efficient circulation through the filter and heater, and bringing back balanced pressure across all spa outlets. It’s a practical, cost-effective way to extend the life of an aging Balboa spa system without a full control upgrade.
Ideal use cases
- Repairing older Balboa spa or bath installations that rely on a 0.5 HP WOW pump with a 5.5A motor
- Replacing a failed pump in hot tubs or baths where the Ultima wet end was originally installed
- Service scenarios where keeping the existing Balboa control logic and plumbing layout intact is preferred
Helpful guidance for installation and compatibility
Because this is a discontinued model, verify that your current system uses the 5.5A motor and the Ultima wet end before purchasing. If you have any questions about fitment, you can reach Balboa support-level guidance through the provided contact options: 800-918-9143, live chat, or email during normal business hours. When installing, ensure power is disconnected, fittings are clean and properly sealed, and mounting points align with the pump housing to maintain a leak-free connection. If the existing assembly requires adapters or minor retrofit work, plan for a precise, airtight seal to protect electrical components and ensure reliable performance.
Why choose a Balboa replacement over generic options
Balboa’s components are designed to work in concert with Balboa control systems, sensors, and jet configurations. This pump keeps your spa’s flow sensing, heater cycling, and jet performance in sync with the original design, reducing the risk of compatibility issues that can accompany non-OEM replacements.
Note: This product is a discontinued Balboa Water Group part. Availability may vary. For current stock or to explore compatible alternatives that match the 1215163 specification, contact us for personalized assistance.
Discontinued by manufacturer
Balboa.5 HP WOW Bath Pump / Ultima Wet End [Fits 5.5 Amps Motor] (1215163)
Balboa Water Group (BWG) is dedicated to providing only the highest quality spa systems and spa replacement products to their customers. They design the Balboa products and systems to provide the basic functionality that you need matched with the additional features that you want. Whether you are replacing a bath or spa pump, heater, electronic spa control system, jets, or white goods, we have the right solution for you, at an affordable price.
If you need assistance in finding the right replacement products, give us a call at 800-918-9143 today! We can also be reached via chat or e-mail during normal business hours.



