💨 Balboa Genesis Air Blower G50-2NN-S – 500W Non-Heated Electronic On/Off
Transform your whirlpool bath or hot tub with powerful, whisper-quiet bubble massage from this trusted European-engineered blower
📋 Product Overview
The Balboa Genesis G50-2NN-S is a premium 500W air blower designed specifically for whirlpool baths and small hot tubs. Instantly recognisable by its distinctive blue casing, this blower delivers invigorating bubble massage through powerful, consistent airflow whilst maintaining impressively quiet operation.
Engineered by HydroAir (a division of Balboa Water Group), this non-heated electronic model operates via spa pack or mains switch control, making it ideal for straightforward on/off applications. The Genesis range has earned a strong reputation among spa installers and homeowners alike for its combination of robust construction, reliable performance, and thoughtful design features including a rotatable discharge outlet for flexible installation.
Whether you’re upgrading an existing system or completing a new installation, the G50-2NN-S offers the perfect balance of power and simplicity for domestic whirlpool applications, comfortably supporting 5-8 air jets.
⭐ Key Features
✅ 500W Single-Speed Motor – Delivers approximately 1800 litres/minute airflow at 1.8m head pressure, providing vigorous bubble massage for small to medium whirlpool baths
✅ Electronic On/Off Control – Simple, reliable operation via spa pack or mains switch – no pneumatic button required for this model
✅ Rotatable Discharge Outlet – 360° adjustable outlet orientation allows flexible positioning during installation, simplifying plumbing connections
✅ Universal 1.5″ BSP Threaded Union – Includes 32mm tail-piece for straightforward connection to standard spa plumbing systems
✅ Thermal Motor Protection – Built-in thermal cut-out safeguards the motor from overheating, automatically shutting down if temperatures exceed safe limits
✅ European Safety Certified – Manufactured to EN60335-1 and EN60335-2-60 standards, ensuring compliance with strict European electrical safety requirements
✅ Compact Dimensions – Measures approximately 276mm × 175mm × 180mm, fitting easily beneath most whirlpool baths and spa cabinets
✅ Variable Speed Compatible – Can be connected to an external variable speed controller for adjustable massage intensity
✅ Cleanable Intake Filter – Accessible filter can be easily removed and cleaned by opening the base panel
✅ Robust ABS Housing – Durable construction designed to withstand the demands of wet-area installation environments
🔧 Technical Specifications
| Specification | Details |
|---|---|
| Model Number | G50-2NN-S (also GB50-2NN-S) |
| Power Rating | 500W |
| Voltage / Frequency | 230-240V / 50Hz |
| Current Draw | ~2.2A |
| Operating Speed | Single-speed |
| Heating Element | Non-heated (NN = Non-Heated) |
| Control Type | Electronic on/off |
| Airflow Rate | ~1800 litres/min at 1.8m head |
| Outlet Connection | 1.5″ BSP threaded union |
| Included Tail-piece | 32mm |
| Dimensions (L × W × H) | 276 × 175 × 180mm |
| Cable Length | 1 metre, bare-end wiring |
| Class | Class I (with earth) or Class II available |
| Usage Rating | Domestic use |
| Safety Standards | EN60335-1, EN60335-2-60 |
🎯 Real World Applications
🛁 Whirlpool Bath Enhancement The G50-2NN-S is perfectly suited for domestic whirlpool baths, delivering powerful bubble massage that transforms an ordinary bath into a spa-like experience. With capacity to drive 5-8 air jets effectively, it’s the ideal choice for standard residential installations where quiet operation is valued during evening use.
💆 Small Hot Tub Installations For compact hot tubs and 2-4 person spas, this blower provides ample airflow for a satisfying bubble massage experience. The electronic control integrates seamlessly with most spa packs, allowing simple on/off operation from your existing control system.
🔄 Blower Replacement & Upgrades If your existing blower has become noisy, unreliable, or has failed entirely, the G50-2NN-S offers a straightforward replacement option. The universal 1.5″ BSP connection and compact dimensions make it compatible with most existing installations, while the improved design delivers quieter, more efficient performance.
🏠 Home Wellness Installations Whether you’re creating a dedicated wellness space or adding therapeutic features to your bathroom, this blower delivers the consistent, reliable performance needed for daily use. The thermal protection ensures safe operation even during extended relaxation sessions.
🏢 Light Commercial Applications Suitable for small-scale commercial installations such as treatment rooms in beauty salons or wellness centres where a single whirlpool bath requires reliable air massage functionality.
🛠️ Installation Considerations
⚠️ Professional installation by a qualified electrician is strongly recommended
Electrical Requirements:
- Supply voltage: 230-240V AC, 50Hz
- Current draw: Approximately 2.2A
- Fixed wiring switch required with minimum 3mm contact separation in each pole
- Wire colours: Brown (Live), Blue (Neutral), Yellow/Green (Earth for Class I)
Mounting Position:
- Suitable for mounting below whirlpool baths and spas
- Secure using three screws through the rubber mounting feet
- Must be installed in a location not accessible without tools
- Position must be protected from flooding
Ventilation Requirements:
- Install in a well-ventilated location
- Avoid positioning where cold air intake would occur (prevents cold air injection into bath)
- Ensure adequate clearance for air circulation around the unit
Connection Sizes:
- Outlet: 1.5″ BSP threaded union with 32mm tail-piece included
- Rotatable discharge allows flexible orientation
- 32mm check valve strongly recommended to prevent water backflow
Critical Safety Notes:
- Water must never come into contact with the blower
- Install double air loop AND one check valve, OR two check valves, above maximum water level
- Pipe/hose system must be securely fixed to blower outlet
- If thermal protection activates, disconnect power and allow unit to cool to room temperature before reconnecting
Variable Speed Control:
- When connected to external speed controller, blower must run at high speed for minimum 5 seconds at startup
📥 Downloads & Resources
📄 Installation & Operation Manual – Manual-BGB-500.pdf
📄 Technical Data Sheet – TechSheet-BGB-500.pdf
🏆 Why Choose the Balboa Genesis G50-2NN-S
✅ Proven Reliability – The Genesis range has established an excellent reputation among spa professionals for dependable, long-lasting performance in demanding wet-area environments
✅ European Engineering Quality – Designed and manufactured by HydroAir (Balboa Water Group) in Denmark to exacting European standards, ensuring consistent build quality
✅ Quiet Operation – Engineered for minimal noise during operation, making it ideal for residential installations where evening use is common
✅ Installation Flexibility – Rotatable outlet, universal fittings, and compact dimensions accommodate a wide range of installation scenarios
✅ Thermal Protection Built-In – Automatic motor protection prevents damage from overheating, extending service life and ensuring safe operation
✅ Upgrade Path Available – Part of a comprehensive range including 700W, 900W, and 1200W models, allowing easy upgrades for larger installations
🤝 Why Buy From Parts4Tubs?
✅ UK-based specialist supplier with extensive hot tub and spa parts expertise
✅ Expert technical advice available to help you select the right blower for your application
✅ Fast UK delivery to get your spa back in action quickly
✅ Competitive pricing on genuine manufacturer parts
✅ Dedicated customer support before and after your purchase
✅ Secure online ordering for peace of mind
✅ Easy returns policy if the product doesn’t meet your needs
✨ Summary
The Balboa Genesis G50-2NN-S delivers everything you need from a domestic air blower: powerful 500W performance driving up to 1800 litres/minute airflow, quiet operation for relaxing evening use, and robust European-engineered construction that’s built to last. Perfect for whirlpool baths and small hot tubs supporting 5-8 jets, this reliable blower combines straightforward electronic control with installation-friendly features including a rotatable outlet and universal fittings. Order today and transform your bathing experience with invigorating bubble massage.


