🌬️ Superflow Metrax Air Blower – UK31609H – 800W Heated
Powerful 800W Heated Air Blower with Warm Bubble Massage – Powers Up to 36 Nozzles for the Ultimate Spa Comfort 🫧
📝 Product Overview
The Superflow Metrax UK31609H is a powerful, heated air blower engineered for spa enthusiasts who demand both performance and comfort. Manufactured by Metrax, this 800W unit features an integrated heating element that warms the air before it reaches your jets, eliminating the chill of cold bubbles and delivering a truly luxurious spa experience.
Designed for medium to large spa systems, the UK31609H comfortably powers installations with up to 36 nozzles, making it suitable for whirlpool baths, air track baths, PH pools, and older Airbath systems. The built-in pneumatic switch provides versatile control options, working seamlessly with both electronic controls and air buttons.
Whether upgrading from a non-heated blower or replacing a worn unit, this model offers exceptional airflow combined with soothing warmth. The universal 32mm/1″ tapered outlet ensures compatibility with most existing pipework, while the option to add a 3-speed pneumatic control box allows complete customisation of your bubble massage intensity. German-engineered reliability meets everyday spa luxury.
✨ Key Features
- ✅ Powerful 800W Motor – High-performance motor delivers strong, consistent airflow capable of powering spa systems with up to 36 nozzles for an invigorating massage experience
- ✅ Integrated Heating Element – Built-in heater warms the air before it reaches your jets, providing comfortable warm bubbles rather than a cold blast for enhanced relaxation
- ✅ Universal Spa Compatibility – Suitable for whirlpool baths, air track baths, PH pools, and older Airbath systems, making it a versatile replacement option
- ✅ Dual Control Options – Includes both electronic and pneumatic switching, allowing operation via standard spa control panels or simple air buttons
- ✅ 32mm/1″ Tapered Outlet – Industry-standard connection fits most pipework configurations; works best with rubberised hose cuffs for secure, leak-free installation
- ✅ 3-Speed Upgrade Compatible – Can be converted to a variable-speed blower with an optional pneumatic control box (sold separately) for complete airflow customisation
- ✅ Quiet & Efficient Operation – Engineered for smooth, quiet running that won’t disturb your relaxation or neighbours during evening use
- ✅ Compact Design – Measures just 330 × 140 × 120mm, fitting comfortably in most under-bath spaces and plant room installations
- ✅ Dual Brand Compatibility – Available under both Superflow and Metrax branding with identical specifications and performance
⚙️ Technical Specifications
| Specification | Details |
|---|---|
| Model | Metrax Blower |
| MPN | CP64501 |
| Reference Code | UK31609H |
| Motor Power | 800W |
| Heated | Yes (integrated heating element) |
| Voltage / Frequency | 230V / 50Hz |
| Speed | 1 Speed (Single) |
| Pneumatic Switch | Yes (Included) |
| Variable Speed Compatible | Yes (with optional control box) |
| Connection Size | 32mm / 1″ (tapered outlet) |
| Plug Type | Bare End (hardwired installation) |
| Rated For | Domestic Use |
| Dimensions | 330 × 140 × 120mm |
| Jet Capacity | Up to 36 nozzles |
🏠 Real World Examples & Applications
🛁 Whirlpool Bath Upgrade
The UK31609H is the perfect upgrade for homeowners with existing non-heated blowers who want to enhance their bathing experience. The integrated heating element transforms cold, jarring bubbles into soothing warm air massage, making your whirlpool bath usable year-round without discomfort. Particularly popular for bathroom renovations where comfort is the priority.
♨️ Air Track Bath Systems
Originally designed for air track bath applications, the 800W motor provides the strong, consistent airflow these systems demand. The heated function ensures therapeutic warmth throughout your bathing session, while the pneumatic switch integrates seamlessly with typical air track control systems.
💆 Therapeutic Hydrotherapy
For those using their spa for therapeutic purposes, warm air massage offers enhanced muscle relaxation and improved circulation benefits compared to cold air systems. The 36-nozzle capacity ensures comprehensive coverage for full-body hydrotherapy sessions, while the quiet operation creates a peaceful, spa-like atmosphere.
🔄 Replacement for PH Pools & Airbath Systems
Specifically compatible with PH pools and older Airbath systems, the UK31609H serves as a direct replacement for worn or failed heated blowers. The universal fitting and dual control options mean straightforward installation without system modifications—simply swap the old unit for renewed heated performance.
🏢 B&B and Holiday Let Amenities
Property owners offering luxury bathroom amenities appreciate the UK31609H’s combination of power, warmth, and reliability. The heated function adds a premium touch that guests remember, while the robust construction handles the demands of frequent use across multiple guests.
🔧 Installation Considerations
⚠️ Professional installation by a qualified technician is essential for safe operation.
Electrical Requirements
- Voltage: 230V AC
- Frequency: 50Hz
- Plug Type: Bare end (requires hardwired connection)
- Ensure circuit capacity accommodates 800W motor plus heating element
- All electrical work must comply with local regulations (Part P in UK)
- RCD protection recommended for bathroom installations
Mounting & Positioning
- Install in a dry, well-ventilated location
- Ensure adequate airflow around the blower for cooling
- Compact 330 × 140 × 120mm dimensions suit most under-bath installations
- Maintain accessibility for future servicing and maintenance
- Position to minimise pipe run length for optimal heated air delivery
Connection Details
- Outlet Size: 32mm / 1″ tapered connection
- Rubberised hose cuffs recommended for secure, leak-free seals
- Unions, hoses, and accessories sold separately
- Ensure all connections are properly sealed before commissioning
Important Safety Information
- ⚠️ Installation must be carried out by a qualified professional
- ⚠️ Electrical and computerised components, once installed or opened, are exempt from return
- ⚠️ Damage caused by incorrect installation is not covered under warranty
- ⚠️ Water and electricity are dangerous together – never attempt DIY electrical work
- Any suspected faults must be returned within warranty period for manufacturer inspection
🥇 Why Choose the Superflow Metrax UK31609H Heated Blower
- ✅ Warm Bubble Comfort – The integrated heating element transforms your spa experience, delivering warm, soothing bubbles rather than cold air that can detract from relaxation
- ✅ Power for Larger Systems – With capacity for up to 36 nozzles, this blower handles medium to large spa installations with ease, ensuring consistent airflow across all jets
- ✅ Proven Quiet Operation – Customer reviews consistently praise the quiet, efficient running, making it ideal for evening use without disturbing household members or neighbours
- ✅ Versatile Compatibility – Works with whirlpool baths, air track baths, PH pools, and Airbath systems, plus both electronic and pneumatic control setups
- ✅ Future-Proof Design – Upgrade to 3-speed variable control whenever you choose with the optional pneumatic control box, without replacing the entire blower
- ✅ German Engineering Heritage – Built on Metrax technology with decades of spa industry experience, ensuring reliable long-term performance
🚚 Why Buy From Parts4tubs?
- ✅ UK-based specialist supplier with deep hot tub and spa parts expertise
- ✅ Expert technical advice to ensure you select the right blower for your system
- ✅ Fast UK delivery to minimise downtime on your spa
- ✅ Competitive pricing on genuine manufacturer parts
- ✅ Authentic Superflow/Metrax components – never inferior substitutes
- ✅ Dedicated customer support before, during, and after your purchase
- ✅ Secure online ordering with multiple payment options
- ✅ Straightforward returns policy for complete peace of mind
🎯 Summary
The Superflow Metrax UK31609H 800W Heated Air Blower delivers the ultimate combination of power and comfort for spa enthusiasts. With its integrated heating element providing warm, soothing bubbles and an 800W motor capable of powering up to 36 nozzles, this blower transforms any whirlpool bath into a luxurious retreat. Universal compatibility, quiet operation, and optional 3-speed upgrade capability make it a smart investment for new installations and replacements alike. Experience the difference warm bubbles make – order yours today.







