Balboa / Joyonway UltraZone 50mg/hr Spa CD Ozone Generator

Joyonway / Balboa UltraZO₃ne CD Spa Ozone Generator – 50mg/hr (Venturi Type)

Genuine-style CD (corona discharge) spa ozonator designed for venturi injection systems. Produces up to 50mg/hr ozone output to help keep spa water clearer and reduce chlorine demand (when the rest of the water balance is correct).

Part Numbers & Compatibility

• New version: B-P78B138, jwP78B138
• Also replaces: numerous older spa ozonators used across multiple control platforms (common upgrade/replacement unit). eg: APG-U, Del-Ozone, SpaPro, WWDG, Beyok Ozone FQ-300-SPA, Trump XP, Ultra Pure Water Quality UPS350, Ozone Generator RQ-SPA-100 XP07604, Aqua Sun XL-30 / BO3 Spa CD / Pacifica XL-30, Joyonway P54B104

Electrical Specifications

• Input: 100–240V AC
• Frequency: 50–60Hz
• Current: 100mA

Plug Type & Control System Fitment

Supplied with an AMP style cable/plug to suit many common spa control systems, including:

• Gecko / Aeware: in.y series
• Balboa: GS, GL, BP series
• Zink / Ethink: KL8800, KL8-3A series
• Joyonway
• SpaTech: CII, CIII series

Installation Notes

• Mount vertically with the connections facing downward.
• Ensure the ozone line runs to a venturi injector / ozone mixer (not directly into the water line without the correct injector/check valve setup).

Tip: If your spa ozone isn’t working, don’t guess—most faults are power, plumbing, or check-valve related.

Read our Spa Ozone Testing & Troubleshooting FAQ

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