Poolex SilverLine Fi 120 Full Inverter Pool Heat Pump with WiFi – 11.3kW for Pools 45-65m³ 🌊
Transform your swimming experience with intelligent, energy-efficient heating and cooling that works year-round
The Poolex SilverLine Fi 120 represents the pinnacle of pool heating technology, combining revolutionary Full Inverter performance with whisper-quiet operation and smart WiFi connectivity. Designed for pool owners who demand exceptional efficiency without compromise, this heat pump delivers professional-grade performance at an unbeatable value.
Key Features at a Glance ✅
Full Inverter Technology – Continuous adjustment of compressor and fan speed maximizes efficiency and minimizes wear, extending equipment lifespan
Multiple Operation Modes – Choose from Auto, Boost, Eco Silence, Heating, and Cooling modes to match your exact needs
Exceptional Efficiency – COP up to 16.1 at optimal conditions (26°C air/26°C water), with impressive 7.6 COP even at cooler 15°C air temperature
Ultra-Quiet Performance – 38-52 dB(A) at 1 meter, dropping to just 21-31 dB(A) at 10 meters in Inverter mode
Premium Titanium Heat Exchanger – Twisted Tech™ design with PVC tank and titanium coil provides superior corrosion resistance and efficient heat transfer
Lightweight ABS Cabinet – Durable, UV-resistant, weather-proof construction that’s easy to maintain
R32 Refrigerant – Environmentally friendly refrigerant with lower global warming potential
High-Quality GMCC Compressor – Hermetic rotary DC inverter compressor from leading manufacturer ensures reliability
DC Inverter Fan Motor – Variable speed operation for optimal airflow and minimal noise
Comprehensive Antifreeze Protection – Intelligent system protects your investment down to -7°C ambient temperature
Wired LCD Remote Control – Backlit display with intuitive controls, 10m extension cable included
Servo-Control Output – Connect your filtration pump for automated, synchronized operation
Complete Installation Kit – Includes 50mm water connectors, winter cover, condensate hose, rubber isolating feet, and anti-vibration pads
Why Choose the SilverLine Fi 120? 🏆
Cut Your Heating Costs by Up to 80% – Full Inverter technology continuously optimizes compressor and fan speed, reducing electricity consumption by up to 30% compared to traditional on/off heat pumps. With a maximum COP (Coefficient of Performance) of 16.1, you get over 16 units of heat for every unit of electricity used.
Virtually Silent Operation – At just 21dB at 10 meters (comparable to a whisper), the ultra-quiet Eco Silence mode means you can enjoy your pool without disturbing neighbours or your peaceful outdoor space.
Year-Round Comfort – Unlike conventional heaters, this versatile unit both heats and cools your pool water. Operating effectively in temperatures from -7°C to 43°C, it extends your swimming season significantly.
Smart Control from Anywhere – Built-in WiFi connectivity with the Smart Life app lets you monitor and adjust your pool temperature from your smartphone, whether you’re at home or away. Compatible with Amazon Echo and Google Home for voice control.
Built to Last – Featuring a corrosion-resistant Twisted Tech™ titanium heat exchanger, this unit is engineered for durability in chlorinated and salt water pools. Backed by a comprehensive warranty: 2 years on the heat pump, 5 years on the compressor, and 15 years on the titanium coil.
Technical Specifications 📊
Heating Performance
| Specification | Standard Conditions (Air 26°C / Water 26°C) | Cold Weather (Air 15°C / Water 26°C) |
|---|---|---|
| Maximum Power Output | 11.3 kW | 8.4 kW |
| Minimum Power Output | 2.28 kW | 1.6 kW |
| Power Consumption | 1.86 kW | 1.83 kW |
| COP (Efficiency) | 6.07 – 16.1 | 4.5 – 7.6 |
| Eco Silence Power Output | 5.77 kW | 4.39 kW |
| Eco Silence Consumption | 0.61 kW | 0.67 kW |
Cooling Performance
| Specification | Value |
|---|---|
| Cooling Power (Air 35°C / Water 27°C) | 5.20 kW |
| Power Consumption | 1.27 kW |
| EER (Energy Efficiency Ratio) | 4.1 |
General Specifications
| Specification | Details |
|---|---|
| Recommended Pool Volume | 45 – 65 m³ |
| Model Reference | PC-SLP 120N |
| Electricity Supply | 230V / 50Hz (Single Phase) |
| Maximum Power Draw | 2.62 kW |
| Maximum Current | 11.8 A |
| Required Circuit Breaker | 16A (D-curve) |
| Cable Specification | RO2V 3×2.5 mm² (up to 10m length) |
| Heating Temperature Range | 15°C – 40°C |
| Cooling Temperature Range | 8°C – 28°C |
| Operating Ambient Temperature | -7°C – 43°C |
| Refrigerant Type | R32 (0.6 kg) |
| Water Flow Rate | 4 – 6 m³/h |
| Water Connections | 50mm (1½”) PVC fittings |
| Heat Exchanger Type | Twisted Tech™ Titanium coil in PVC tank |
| Compressor Brand | GMCC (Toshiba technology) |
| Compressor Type | Hermetic Rotary DC Inverter |
| Fan Direction | Horizontal discharge |
| IP Rating | IPX4 (splash-proof) |
Dimensions & Weight
| Specification | Measurement |
|---|---|
| Unit Dimensions (L × W × H) | 1104 × 354 × 756 mm |
| Packaging Dimensions | 1166 × 424 × 878 mm |
| Unit Weight | 41 kg |
Noise Levels
| Distance | Noise Level (Inverter Mode) |
|---|---|
| At 1 meter | 38 – 52 dB(A) |
| At 10 meters | 21 – 31 dB(A) |
📄 Downloads & Documentation
Get the complete picture with our comprehensive technical resources:
📄 Installation & User Manual (opens in new tab) Complete 39-page guide covering installation requirements, hydraulic and electrical connections, operation modes, WiFi setup, maintenance procedures, troubleshooting, and warranty information. Essential reading for installers and owners.
📄 Technical Datasheet & Specifications (opens in new tab) Detailed technical specifications for the entire SilverLine Fi range, including performance data, dimensions, noise levels, and comparative information across all models (70, 90, 120, 150, 200).
Pool Sizing Guide & Performance 🏊
Is the SilverLine Fi 120 Right for Your Pool?
This model is optimally sized for pools between 45m³ and 65m³ (45,000 to 65,000 litres). Here’s how to check if it’s the perfect match:
Pool Volume Calculator
Rectangular/Square Pools: Volume (m³) = Length (m) × Width (m) × Average Depth (m)
Circular Pools: Volume (m³) = π × Radius² (m) × Average Depth (m) (Use 3.14 for π)
Oval Pools: Volume (m³) = π × Length (m) × Width (m) × Average Depth (m) ÷ 4
Example Pool Sizes Suitable for Fi 120:
✅ 8m × 4m × 1.5m deep = 48m³ (perfect match) ✅ 10m × 5m × 1.2m deep = 60m³ (excellent) ✅ 6m diameter × 1.5m deep = 42.4m³ (ideal) ✅ 9m × 4.5m × 1.4m deep = 56.7m³ (optimal)
Estimated Heat-Up Times ⏱
How long will it take to heat your pool?
These estimates help you plan your pool heating. Actual times vary based on ambient temperature, wind, humidity, pool insulation, and whether you use a pool cover (highly recommended).
Heat-Up Time Formula:
Time (hours) = (Pool Volume in m³ × Temperature Rise in °C × 1.16) ÷ Heat Pump kW Rating
Estimated Heat-Up Times at 26°C Air Temperature (11.3kW output):
| Pool Size | 5°C Rise | 10°C Rise | 15°C Rise |
|---|---|---|---|
| 45m³ | ~23 hours | ~46 hours | ~69 hours |
| 50m³ | ~26 hours | ~51 hours | ~77 hours |
| 55m³ | ~28 hours | ~56 hours | ~85 hours |
| 60m³ | ~31 hours | ~62 hours | ~92 hours |
| 65m³ | ~33 hours | ~67 hours | ~100 hours |
Estimated Heat-Up Times at 15°C Air Temperature (8.4kW output):
| Pool Size | 5°C Rise | 10°C Rise | 15°C Rise |
|---|---|---|---|
| 45m³ | ~31 hours | ~62 hours | ~93 hours |
| 50m³ | ~34 hours | ~69 hours | ~103 hours |
| 55m³ | ~38 hours | ~76 hours | ~114 hours |
| 60m³ | ~41 hours | ~83 hours | ~124 hours |
| 65m³ | ~45 hours | ~90 hours | ~134 hours |
Daily Temperature Maintenance
Once your pool reaches the desired temperature, the heat pump maintains it efficiently. Under typical UK conditions (with a pool cover):
⚡ Daily heat loss: 1-2°C per day ⚡ Running time to maintain: 2-4 hours per day ⚡ Daily electricity cost: £0.50-£1.50 (based on 30p/kWh)
💡 Pro Tip: Using a pool cover reduces heat loss by up to 80% through evaporation prevention, dramatically reducing running costs and heat-up times.
Operating Modes Explained 🎛
Full Inverter Mode (Auto) – The Smart Choice
The compressor and fan continuously adjust speed to match heating demand. This delivers optimal efficiency, lowest running costs, and extends equipment lifespan. Perfect for daily use and overnight heating.
Best for: Energy-conscious pool owners, daily operation, maintaining temperature
Boost Mode – Maximum Power
Runs at maximum capacity for fastest possible heating. Use when you need to raise water temperature quickly or during particularly cold weather.
Best for: Initial heat-up, unexpected cold snaps, getting pool ready for events
Eco Silence Mode – Ultra Quiet
Prioritizes noise reduction while maintaining efficient heating. Ideal for evening operation, residential areas, or when noise is a consideration.
Best for: Evening/night operation, noise-sensitive neighbours, peaceful pool environments
Heating Mode – Classic Operation
Standard heating operation without inverter modulation. Reliable and straightforward.
Best for: Consistent heating needs, simpler operation preference
Cooling Mode – Summer Comfort
Reduces water temperature during hot weather for refreshing swimming. Particularly useful in conservatories or areas with intense sun exposure.
Best for: Summer months, overheated pools, spa pools needing temperature reduction
Installation Requirements 🔧
Professional installation required – please read carefully
Site Requirements
✅ Location: Level, stable outdoor surface (concrete slab recommended) ✅ Clearance: 1 meter minimum in front, 50cm around sides and rear ✅ Ventilation: Must not be in confined space; air outlet should face away from windows ✅ Drainage: Condensate drainage required (kit included) ✅ Access: Must be accessible for maintenance and servicing ✅ Noise: Position air outlet away from noise-sensitive areas
⚠ Avoid:
- Areas exposed to high frequency equipment
- Locations with oil, corrosive products, or sulphurous compounds
- Near roads (mud splash risk)
- Confined spaces without ventilation
- Installation above ground level (ground mounting only)
Hydraulic Connection
Bypass Kit Required (sold separately)
A proper bypass installation allows you to:
- Regulate water flow through the heat pump
- Isolate the unit for maintenance without shutting down filtration
- Protect the heat pump from excessive pressure
- Optimize performance
Water Flow Requirements:
- Minimum flow: 4 m³/h
- Maximum flow: 6 m³/h
- Connection size: 50mm (1½”)
- PVC piping recommended
Important: Install bypass valves to control flow, and ensure the heat pump is installed AFTER filtration and BEFORE chemical treatment systems (chlorine/salt chlorinator).
Electrical Installation
⚠ Must be performed by qualified electrician
Requirements:
- 230V single-phase supply
- 16A Type D curve circuit breaker (dedicated circuit)
- RO2V 3×2.5mm² cable (for runs up to 10m)
- 30mA RCD (residual current device) on main board
- Proper earthing/grounding essential
Optional: Filtration pump servo-control via P1/P2 terminals (requires power relay if pump exceeds 5A/1000W)
What’s Included
Your complete installation package contains:
📦 Poolex SilverLine Fi 120 heat pump unit 📦 2× 50mm hydraulic connectors 📦 10m wired remote control extension cable 📦 Condensate drainage kit 📦 Winter storage cover 📦 4× anti-vibration rubber feet 📦 Comprehensive installation & user manual (39 pages)
Not Included (required for installation):
- Bypass kit (3 valves)
- PVC piping and fittings
- Electrical cable and protection devices
- Concrete mounting pad (recommended)
- Wall fixings/mounting studs if required
Running Costs & Energy Savings 💰
How much will it cost to run?
Based on UK average electricity rates of 30p per kWh:
Initial Heat-Up Cost (from 10°C to 25°C = 15°C rise)
| Pool Size | Hours Required @ 26°C Air | Electricity Cost |
|---|---|---|
| 45m³ | ~69 hours | ~£38.60 |
| 50m³ | ~77 hours | ~£42.90 |
| 55m³ | ~85 hours | ~£47.30 |
| 60m³ | ~92 hours | ~£51.20 |
| 65m³ | ~100 hours | ~£55.80 |
Daily Maintenance Cost (with pool cover)
Typical UK conditions: 2-4 hours running per day
💷 Daily cost: £0.50 – £1.50 💷 Weekly cost: £3.50 – £10.50 💷 Monthly cost: £15 – £45
Annual Running Cost Comparison
For a 55m³ pool over a 6-month swimming season:
| Heating Method | Estimated Annual Cost |
|---|---|
| Electric Resistance Heater | £1,800 – £2,400 |
| Gas Boiler | £800 – £1,200 |
| Oil Boiler | £900 – £1,300 |
| Poolex Fi 120 Heat Pump | £300 – £450 ✅ |
Savings: Up to £1,950 per year vs. electric heating Payback period: Typically 2-3 years
⚠ Disclaimer: These figures are estimates based on typical conditions. Actual costs depend on ambient temperature, water temperature, pool insulation, cover usage, local electricity rates, and usage patterns. Always use a quality pool cover to minimize heat loss.
Seasonal Performance Guide 🌡
Understanding year-round capability
Spring (March – May)
Ambient: 8-15°C
- COP: 4.5-7.6
- Performance: Good to excellent
- Use: Initial season heat-up, weekend warming
- Tips: Expect longer heat-up times; use Boost mode initially
Summer (June – August)
Ambient: 15-25°C+
- COP: 7.6-16.1
- Performance: Optimal to outstanding
- Use: Temperature maintenance, occasional cooling
- Tips: Switch to Eco mode for efficiency; consider cooling on hot days
Autumn (September – November)
Ambient: 8-15°C
- COP: 4.5-7.6
- Performance: Good to excellent
- Use: Extending season, maintaining comfortable temperature
- Tips: Use pool cover religiously; run overnight when possible
Winter (December – February)
Ambient: -7 to 8°C
- COP: 4.5+
- Performance: Functional (unit operates to -7°C)
- Use: Heated pool enclosures, spa pools, frost protection
- Tips: Winterize if not using; antifreeze protection active when powered
Operating Range: -7°C to +43°C ambient temperature
Maintenance & Care 🛠
Keep your investment running perfectly
Weekly Checks (During Swimming Season)
✅ Check water flow rate and filter cleanliness ✅ Inspect for any unusual noises or vibrations ✅ Verify water temperature display accuracy ✅ Check condensate drainage is working
Monthly Tasks
🔧 Clean evaporator fins with soft brush (unit powered off) 🔧 Check electrical connections are tight and corrosion-free 🔧 Inspect hydraulic connections for leaks 🔧 Monitor refrigerant pressure gauge (should read 150-350 PSI when off) 🔧 Test bypass valves operate smoothly
Annual Professional Service (Recommended)
⚙ Complete safety inspection ⚙ Electrical wiring integrity check ⚙ Earthing connection verification ⚙ Refrigerant level check and leak test ⚙ Compressor performance evaluation ⚙ Heat exchanger inspection ⚙ Full system diagnostics
Winter Storage (If Not Using in Winter)
❄ Step 1: Disconnect electrical supply ❄ Step 2: Close inlet/outlet bypass valves, open bypass valve ❄ Step 3: Unscrew drain plug and water connections to fully drain ❄ Step 4: Replace drain plug, seal connections with protective caps ❄ Step 5: Install winter storage cover (included)
Important: For antifreeze protection to function, the unit must remain powered and the circulation pump must be operational (or servo-controlled).
Warranty & Support 🛡
Comprehensive Manufacturer Warranty
2 Years – Complete heat pump unit 5 Years – GMCC compressor 15 Years – Twisted Tech™ titanium heat exchanger coil (against chemical corrosion, excludes frost damage)
Warranty Conditions
✅ Professional installation required ✅ Installation must comply with manual instructions ✅ Appropriate water chemistry maintained (pH 6.9-8.0) ✅
Warranty does NOT cover: ❌ Incorrect installation or improper use ❌ Damage from unsuitable chemicals or water treatment ❌ Frost damage from inadequate winterization ❌ Neglect, accident, or force majeure ❌ Use of unauthorized accessories or parts ❌ Repairs by non-authorized technicians
Frequently Asked Questions ❓
Installation & Setup
Q: Can I install this heat pump myself? A: Professional installation by a qualified technician is required for safety, warranty validity, and optimal performance. Electrical work must be performed by a certified electrician, and refrigerant circuit work requires proper authorization.
Q: How far should the heat pump be from my pool? A: Ideally within 10 meters to minimize heat loss in piping. Shorter distances are more efficient, but ensure adequate clearance (1m front, 50cm sides/rear) for airflow and servicing.
Q: Do I need a bypass kit? A: Yes, absolutely essential. A bypass system allows you to regulate water flow, isolate the heat pump for maintenance, and protect against excessive pressure. It’s a critical component for safe, effective operation.
Q: Can I raise the heat pump on a platform? A: The unit must be installed at ground level on a stable, level surface. Use the included anti-vibration feet, but do not elevate on platforms or stands. For above-ground pools, the heat pump still installs at ground level.
Operation & Performance
Q: How long does it take to heat my pool? A: This depends on pool volume, desired temperature rise, ambient conditions, and cover usage. For a 55m³ pool raising temperature 10°C at 26°C air temp: approximately 56 hours. See heat-up tables above for detailed estimates.
Q: Why is my pool heating slower than expected? A: Common causes include: no pool cover (80% of heat loss is evaporation), low ambient temperature, excessive water flow, dirty filter reducing flow rate, or pool insulation issues. Always use a quality pool cover.
Q: Can I heat my pool in winter? A: The unit operates down to -7°C ambient temperature, but efficiency decreases in cold weather. It’s designed primarily for spring-autumn use in the UK. For year-round heating, consider a larger model or supplementary heating.
Q: What’s the difference between the operating modes? A: Full Inverter (Auto) continuously adjusts for maximum efficiency; Boost runs at full power for fastest heating; Eco Silence prioritizes quiet operation; Cooling reduces water temperature in summer. See Operating Modes section above for details.
Q: Can I run the heat pump 24/7? A: Yes, it’s designed for continuous operation if needed. However, with proper pool covering and temperature maintenance, 2-8 hours per day is typically sufficient once target temperature is reached.
Compatibility & Features
Q: Will this work with my salt water pool? A: Yes! The Twisted Tech™ titanium heat exchanger is specifically designed to resist corrosion from both chlorine and salt water systems. However, maintain proper water chemistry (pH 6.9-8.0) for best results.
Q: Is the WiFi control included? A: Yes, WiFi is built-in. Download the free “Smart Life” app (iOS/Android), create an account, and connect to your 2.4GHz WiFi network. Full instructions included in manual. Note: WiFi and app services are provided by third-party (Tuya Technology).
Q: Can I control multiple heat pumps together? A: Yes, the Smart Life app supports multiple devices. You can add and control several heat pumps, create schedules, and share device access with other Smart Life accounts.
Q: Does it work with Alexa or Google Home? A: Yes, the Smart Life app is compatible with Amazon Echo (Alexa) and Google Home for voice control, depending on your country and device setup.
Costs & Efficiency
Q: How much does it cost to run? A: Daily maintenance costs typically £0.50-£1.50 (with pool cover), or £3.50-£10.50 weekly. Annual costs for a 6-month season: £300-£450. This is up to 80% cheaper than electric resistance heating. See Running Costs section above.
Q: What’s the COP and why does it matter? A: COP (Coefficient of Performance) measures efficiency. A COP of 16.1 means you get 16.1kW of heat for every 1kW of electricity used. Higher COP = lower running costs. This model’s maximum COP of 16.1 is exceptional in the market.
Q: Does COP change with temperature? A: Yes, COP decreases as ambient temperature drops. At 26°C air: COP 6.07-16.1. At 15°C air: COP 4.5-7.6. At -7°C: COP reduces further but unit still operates. This is normal for all air source heat pumps.
Maintenance & Troubleshooting
Q: How often does it need servicing? A: Annual professional servicing is recommended. Monthly owner maintenance includes cleaning evaporator fins and checking connections. Weekly checks during season: filter cleanliness and water flow. See Maintenance section above.
Q: What if the display shows an error code? A: The manual includes a comprehensive error code reference (codes 03-99). Common issues: Er03 = insufficient water flow, Er05/06 = pressure problems, Er34 = fan motor issue. Consult manual or contact support for specific codes.
Q: How do I winterize the heat pump? A: If not using in winter: disconnect power, close inlet/outlet valves, fully drain unit via drain plug, replace plug, install winter cover. If keeping powered for antifreeze protection: ensure power and circulation pump remain operational.
Q: Can frost damage occur? A: If properly maintained and winterized (or left powered with antifreeze protection active), frost damage is prevented. The unit has dual antifreeze systems. However, frost damage from improper winterization is not covered by warranty.
Sizing & Suitability
Q: My pool is 70m³ – will the Fi 120 work? A: The Fi 120 is optimized for 45-65m³. For a 70m³ pool, consider the SilverLine Fi 150 (65-80m³ capacity) for proper heat-up times and efficiency. Undersizing means longer heat-up times and higher running costs.
Q: Can I use this for an above-ground pool? A: Absolutely! Suitable for both above-ground and in-ground pools within the 45-65m³ size range. A bypass kit is highly recommended for above-ground installations to enable proper winterization and flow control.
Q: What’s the maximum temperature I can heat to? A: Heating range: 15-40°C. Most pools are comfortable at 26-28°C. The unit can heat to 40°C for spa applications, though this increases running time and costs significantly.
Q: Can this cool my pool in hot weather? A: Yes! Cooling mode operates when air temp is 35°C and water is 27°C, providing 5.20kW cooling capacity. Useful for overheated pools in summer or conservatory installations with intense sun exposure.
Technical Certifications & Standards 📋
✅ CE Certified – Complies with all relevant European Union directives ✅ RoHS Compliant – Restriction of Hazardous Substances directive ✅ TÜV Certified – Independent German safety certification ✅ IPX4 Rating – Protected against water splashing from any direction ✅ ISO Standards Compliant – Noise measurements per EN ISO 3741 and EN ISO 354
Compare with Other Models in the Range 📊
Choosing the right size for your pool:
| Model | Pool Size | Max Output | COP (max) | Max Current | Price Position |
|---|---|---|---|---|---|
| Fi 70 | 30-45m³ | 6.8 kW | 12.9 | 7A | Entry |
| Fi 90 | 40-50m³ | 9.2 kW | 13.9 | 8.5A | Mid-Entry |
| Fi 120 ⭐ | 45-65m³ | 11.3 kW | 16.1 | 11.8A | Best Value |
| Fi 150 | 65-80m³ | 14.5 kW | 16.1 | 14.5A | Mid-Premium |
| Fi 200 | 80-110m³ | 19.2 kW | 16.2 | 16A | Premium |
The Fi 120 offers the best balance of capacity, efficiency (highest COP in the range), and value for medium-sized pools.
What’s Included in the Box 📦
Everything you need except the bypass kit and electrical components:
✅ Poolex SilverLine Fi 120 full inverter heat pump ✅ 2× 50mm (1½”) PVC water connectors ✅ 10-meter wired LCD remote control extension cable ✅ Condensate drainage kit with hose ✅ Isothermal winter storage cover ✅ 4× rubber anti-vibration mounting feet ✅ Comprehensive 39-page installation & user manual (English) ✅ Technical datasheet
Delivered on wooden pallet for protection during shipping
About the Manufacturer 🏭
Poolex is a premium brand from the Poolstar Group, specializing in innovative pool heating solutions. With years of research and development in heat pump technology, Poolex has established itself as a leader in energy-efficient pool equipment.
Key Innovations:
- Twisted Tech™ titanium heat exchanger design
- Full Inverter technology implementation
- Touch & Go simplified operation
- Ultra-quiet Eco Silence modes
Manufacturer Support:
- European standard certifications
- Comprehensive warranty program
- Dedicated technical assistance portal
- Continuous product development
Environmental Benefits 🌱
Heat responsibly with eco-friendly technology:
♻ R32 Refrigerant – Lower global warming potential than older R410A refrigerant ♻ Energy Efficiency – Uses renewable energy from the air, reducing fossil fuel dependence ♻ Reduced CO2 Emissions – Up to 80% less than electric resistance heating ♻ Sustainable Operation – Extracts free heat energy from ambient air ♻ Long Lifespan – Durable construction reduces replacement waste ♻ RoHS Compliant – No hazardous substances in construction
Carbon Footprint Reduction: Compared to an electric heater, this heat pump can save approximately 2-3 tons of CO2 emissions per season for an average pool.
Professional Installation Network 🔧
We recommend professional installation for optimal performance and warranty protection.
A qualified technician will ensure:
- Correct site assessment and positioning
- Proper bypass system installation and flow optimization
- Safe electrical connection with appropriate protection
- Refrigerant system integrity verification
- Full system commissioning and testing
- WiFi setup and operational training
- Warranty registration completion
Contact us for recommendations for certified installers in your area
Ready to Transform Your Pool Experience? 🌊
The Poolex SilverLine Fi 120 delivers professional-grade performance with:
✅ Exceptional 16.1 COP efficiency – lowest running costs in its class ✅ Whisper-quiet 21dB operation – enjoy peace and tranquility
✅ Smart WiFi control – adjust from anywhere via smartphone ✅ Year-round capability – operates from -7°C to 43°C ✅ Built to last – titanium exchanger with 15-year corrosion warranty ✅ Complete installation kit – everything included except bypass
Perfect for pools 45-65m³ | Typical running cost: £0.50-£1.50/day | Annual savings: up to £1,950
Questions? Need sizing advice? Contact our expert team for personalized guidance.
Important Disclaimers & Notes ⚠
Please read carefully before purchase:
🔹 Heat-up times are estimates based on standard conditions and formulas. Actual performance varies with ambient temperature, water temperature, humidity, wind, pool insulation, cover usage, and water chemistry.
🔹 Running costs are estimates based on 30p/kWh electricity rate. Your costs may vary with different tariffs, usage patterns, and environmental conditions.
🔹 COP values are measured under laboratory conditions (air 26°C/water 26°C, 80% humidity). Real-world COP varies with operating conditions.
🔹 Professional installation required – DIY installation voids warranty and may result in unsafe operation or poor performance.
🔹 Pool cover essential – Up to 80% of heat loss occurs via evaporation. Operating without a cover dramatically increases running costs and heat-up times.
🔹 Water chemistry critical – Maintain pH 6.9-8.0. Chemical treatment systems must be installed AFTER the heat pump in the hydraulic circuit.
🔹 Winterization required – If not using the antifreeze protection feature (which requires power), the unit must be properly drained to prevent frost damage.
🔹 WiFi service – Smart Life app and WiFi services provided by Hangzhou Tuya Technology (third party). Parts4Tubs and Poolstar are not responsible for app functionality or service availability.
🔹 Noise levels – Measured per EN ISO standards. Perceived noise varies with environment, obstacles, and distance. Eco Silence mode provides quietest operation.
🔹 Warranty validity – Requires professional installation, proper registration, and adherence to maintenance guidelines. See full warranty terms in manual.










