🌊 I-PAC 12 Side Outlet Inverter Heat Pump (IPT12ALX) – 1-Phase Extended Summer Season Pool Heating
Transform your pool experience with cutting-edge inverter technology that’s whisper-quiet, ultra-efficient, and environmentally responsible.
The IPT12ALX represents the pinnacle of modern pool heating technology. Unlike traditional on/off heat pumps that cycle between full power and complete shutdown, this advanced inverter system intelligently adjusts its output to match your pool’s exact heating needs. The result? Superior efficiency, dramatically reduced noise, and significant energy savings that keep your running costs low while extending your swimming season.
🎯 Key Benefits at a Glance
Revolutionary Inverter Technology This isn’t your standard pool heater. The IPT12ALX uses variable-speed inverter technology that modulates power output from 20% to 100% capacity, matching heat delivery precisely to your pool’s requirements. This intelligent operation delivers an average COP of 9.7 – meaning you get nearly 10 units of heat for every unit of electricity consumed.
Whisper-Quiet Operation Enjoy peaceful poolside relaxation with sound levels 9-11 dB(A) quieter than conventional on/off heat pumps. In Whisper Mode, the IPT12ALX operates at just 21.9-32.0 dB(A) at 10 meters – comparable to rustling leaves or a gentle whisper. Your neighbours will barely know it’s running.
Eco-Friendly & Future-Proof Compliant with F-Gas regulations, this heat pump uses R32 refrigerant with a low Global Warming Potential (GWP) of just 675. You’re investing in environmentally responsible technology that meets stringent 2025 phase-down requirements.
Smart Connectivity Control your pool heating from anywhere with built-in Wi-Fi connectivity. Adjust temperatures, switch between modes, and monitor performance directly from your smartphone or tablet using the intuitive mobile app.
Extended Operating Range Specifically designed for the UK climate, the IPT12ALX operates efficiently in air temperatures from -5°C to 43°C, giving you reliable heating throughout the extended summer season and beyond.
📊 Complete Technical Specifications
| Specification | Details |
|---|---|
| Model Number | IPT12ALX |
| Series | I-PAC 12 (X-Range) |
| Outlet Type | Side Outlet |
| Phase | Single Phase (1-Phase) |
| Season | Extended Summer (-5°C to 43°C) |
| Power Supply | 230V / 50Hz |
| Rated Fuse / MCB | 16A (Type C) |
| Maximum Input Current | 12.5A |
| RCD Type | Type F, 30mA |
| Water Connections | 1½” or 50mm Female |
| Recommended Water Flow | 4.0-6.0 m³/h |
| Refrigerant Type | R32 (600g charge) |
| Compressor Type | DC Inverter (Variable Speed) |
| Heat Exchanger | Titanium (Twisted Design) |
| Construction | Aluminium Alloy |
| Dimensions (W×D×H) | 864 × 359 × 648 mm |
| Net Weight | 49 kg |
| Warranty | 5 Years (On-site Parts & Labour) |
Performance Specifications
At Air 27°C / Water 27°C / 80% RH (Optimal Conditions)
- Heating Capacity: 13.0 kW
- COP Range: 13.5 – 5.6
- Average COP at 50% Speed: 9.7
- Rated Input Power: 0.40 – 2.38 kW
At Air 15°C / Water 26°C / 70% RH (UK Spring/Autumn)
- Heating Capacity: 9.5 kW
- COP Range: 7.0 – 4.0
- Average COP at 50% Speed: 6.1
Cooling Mode at Air 35°C / Water 28°C / 80% RH
- Cooling Capacity: 5.2 kW
Noise Levels
| Measurement Distance | Sound Level Range |
|---|---|
| At 10 meters | 21.9 – 32.0 dB(A) |
| At 1 meter | 41.9 – 52.0 dB(A) |
For reference: 30 dB(A) = whisper, 20 dB(A) = rustling leaves
📄 Downloads & Documentation
Access comprehensive installation guides, technical manuals, and product brochures to ensure optimal setup and operation of your I-PAC 12 heat pump.
📥 Owner Installation Manual (opens in new tab) Complete installation and operation guide covering setup procedures, electrical connections, plumbing requirements, maintenance schedules, troubleshooting, and warranty conditions. Available in multiple languages including English and French. Essential reading for installers and end users. Download Owner Installation Manual
📥 Inverter Heat Pump Product Brochure (opens in new tab) Detailed product brochure featuring the complete I-PAC and V-PAC inverter range, technical specifications, performance data, sizing charts, and feature comparisons. Includes information on inverter technology benefits and refrigerant specifications. Download Product Brochure
💡 Pro Tip: Review the sizing charts in the product brochure to confirm the IPT12ALX is correctly matched to your pool dimensions before installation.
🌟 Standout Features
1️⃣ Dual Operating Modes for Maximum Flexibility
Boost Mode – Fast Heat-Up
- Output Range: 20% to 100% capacity
- Intelligent optimization for rapid heating
- Perfect for initial pool heating or after cooler weather
- Fastest temperature recovery
Whisper Mode – Ultra-Quiet Operation
- Output Range: 20% to 80% capacity
- 3 dB(A) quieter than Boost mode
- Ideal for day-to-day maintenance heating
- Virtually silent operation for residential areas
2️⃣ Multifunction Operation Settings
Switch between three distinct operating modes to suit any season:
- Heat Only Mode (18-40°C) – Standard pool heating
- Cool Only Mode (12-30°C) – Lower water temperature during heat waves
- Heat/Cool Auto Mode (12-40°C) – Automatic temperature management year-round
3️⃣ Smart Pool Pump Synchronisation
Built-in terminals (P1 and P2) allow the heat pump to intelligently control your pool filter pump. The system samples water temperature hourly and overrides your timeclock when heating is needed, reducing filter pump runtime and energy consumption.
4️⃣ Advanced Protection Systems
- High & Low Pressure Protection – Safeguards compressor integrity
- Water Flow Sensor – Prevents operation without adequate flow
- Anti-Freeze Protection – Automatic protection during standby in cold weather
- Soft Start Technology – Eliminates power surges and extends component life
- Auto-Defrost – Quick reverse-cycle defrosting with 4-way valve
5️⃣ Premium Construction
- Aluminium Alloy Housing – Corrosion-resistant, durable construction
- Twisted Titanium Heat Exchanger – High efficiency and excellent corrosion resistance
- EEV Technology – Electronic Expansion Valve for precise refrigerant control
- Stepless DC Inverter Compressor – Variable speed for optimal efficiency
6️⃣ User-Friendly Controls
- LCD Touchscreen Display – Clear temperature readings and mode indicators
- Screen Lock Function – Prevents accidental changes
- Optional Remote Control – Available separately for indoor installation (10m cable included)
- Wi-Fi App Control – Full remote access via smartphone
7️⃣ Compact & Installation-Friendly
With dimensions of just 864 × 359 × 648 mm and a footprint 27% smaller than comparable models, the IPT12ALX fits easily into tight spaces. The compact design complies with UK permitted development rights, reducing planning complications.
🔧 What’s Included
Your IPT12ALX comes complete with everything needed for installation:
✅ I-PAC 12 Heat Pump Unit (IPT12ALX) ✅ Water Union Connectors (2 × 1½” and 2 × 50mm) ✅ Rubber Feet (Set of 4) ✅ Condensate Drainage Kit ✅ Installation & User Manual ✅ 5-Year Manufacturer Warranty
Optional Accessories (Sold Separately)
- Remote Control Panel Kit – Indoor LCD controller with 10m extension cable
- Winter Protection Cover – Safeguard your investment during off-season storage
- Wi-Fi Module – Pre-installed for smartphone control
🏊 Pool Sizing & Performance Guide
Suitable Pool Sizes
The IPT12ALX is ideally suited for domestic pools with the following characteristics:
| Pool Surface Area | Approximate Pool Volume* | Suitability |
|---|---|---|
| 30-50 m² (320-540 sq ft) | 40-65 m³ | ✅ Excellent |
| 50-70 m² (540-750 sq ft) | 65-90 m³ | ✅ Good (extended heating times) |
| 20-30 m² (215-320 sq ft) | 25-40 m³ | ✅ Oversized (faster heating) |
*Based on average depth of 1.3m
⚠ Important Sizing Notes: These guidelines assume:
- In-ground pool construction
- Use of insulated heat retention cover 20+ hours per day
- Sheltered location (protected from wind)
- Heat pump operating 24/7
- UK climate conditions (May-September season)
For outdoor pools, exposed locations, or pools without covers, consider the next size up for optimal performance.
⏱ Estimated Heat-Up Times
Understanding how quickly your pool will heat helps you plan usage and manage expectations. Below are estimated heat-up times for the IPT12ALX under typical UK conditions.
Heat-Up Time Calculator
Formula Used: Time (hours) = (Pool Volume in m³ × Temperature Rise in °C × 1.16) ÷ Heat Pump kW Rating
Spring/Autumn Conditions (Air 15°C, Water Starting at 18°C)
Using heating capacity of 9.5 kW at these conditions:
| Pool Volume | Target 24°C (+6°C) | Target 26°C (+8°C) | Target 28°C (+10°C) |
|---|---|---|---|
| 40 m³ | 29 hours | 39 hours | 49 hours |
| 50 m³ | 36 hours | 49 hours | 61 hours |
| 60 m³ | 44 hours | 58 hours | 73 hours |
| 70 m³ | 51 hours | 68 hours | 85 hours |
Summer Conditions (Air 27°C, Water Starting at 22°C)
Using heating capacity of 13.0 kW at these conditions:
| Pool Volume | Target 26°C (+4°C) | Target 28°C (+6°C) | Target 30°C (+8°C) |
|---|---|---|---|
| 40 m³ | 14 hours | 21 hours | 29 hours |
| 50 m³ | 18 hours | 27 hours | 36 hours |
| 60 m³ | 21 hours | 32 hours | 43 hours |
| 70 m³ | 25 hours | 37 hours | 50 hours |
⚠ Disclaimer: These are theoretical estimates based on ideal conditions. Actual heat-up times will vary depending on:
- Ambient air temperature and humidity
- Wind exposure
- Pool cover usage
- Heat losses (uncovered surface area, ground temperature)
- Water circulation efficiency
- Initial water temperature
For fastest initial heating, use Boost Mode. Once at temperature, switch to Whisper Mode for quiet maintenance.
💰 Running Cost Comparison
Why Inverter Technology Saves Money
Traditional on/off heat pumps run at full power until target temperature is reached, then shut down completely. This cycling wastes energy and creates power surges. The IPT12ALX modulates between 20-100% output, matching exactly what your pool needs.
Estimated Seasonal Running Costs (50m² Pool, May-September)
| Heating System | Average Daily Cost* | Season Total (150 days) |
|---|---|---|
| IPT12ALX Inverter | £2.40 – £3.60 | £360 – £540 |
| Traditional On/Off Heat Pump | £3.20 – £4.80 | £480 – £720 |
| Gas Boiler Heating | £7.00 – £10.50 | £1,050 – £1,575 |
| Electric Immersion | £14.00 – £21.00 | £2,100 – £3,150 |
*Based on UK domestic electricity rates of £0.24-0.28/kWh (2024/25). Actual costs vary with usage, temperature settings, and pool characteristics.
Potential Savings: £120-£180 per season compared to standard on/off heat pumps Payback Period: Typically 3-4 seasons through efficiency gains
🛠 Installation Requirements
Location & Clearance
Minimum Clearances Required:
- 700mm clearance at front (air inlet side)
- 500mm clearance at sides
- 2500mm clearance at rear (air outlet)
- 350cm minimum distance from pool/spa edge (electrical safety regulations)
Foundation Requirements
- Must be installed on solid, level concrete base or corrosion-proof mounting brackets
- Secure using M10 bolts
- Base must support 49kg net weight plus service access
- Ensure condensate drainage kit drains to suitable point
Electrical Supply
Required:
- 230V single-phase supply (207-253V operating range)
- 16A Type C MCB or aM fuse
- 30mA Type F RCD (dedicated to heat pump)
- Isolator within 2m and in line of sight (3mm minimum air gap when off)
- All wiring to IEE regulations or local codes
⚠ Important: Installation must be carried out by competent, qualified personnel. All electrical work must comply with current regulations.
Plumbing Connections
- 1½” or 50mm female connections
- Bypass valve required (adjust to achieve 4.0-6.0 m³/h flow rate)
- Isolation valves and breakable couplings recommended
- Support pipework to prevent strain on connections
- Install non-return valve if other heating sources fitted
Airflow Considerations
✅ Good Installation Practice:
- Well-ventilated area with unrestricted airflow
- No recirculation of exhaust air back to inlet
- Minimum free area: 0.169 m²
- Sealed against walls if exhausting through openings
❌ Avoid:
- Enclosed spaces without adequate ventilation
- Locations where exhaust can recirculate
- Near combustible materials or open flames
- Areas with obstructed air inlet/outlet
🌡 Seasonal Performance Expectations
Spring (March-May)
Air Temp: 8-15°C
- Heating capacity: 7.0-9.5 kW
- COP: 4.0-7.0
- Initial heat-up: 3-5 days to comfortable temperature
- Daily runtime: 16-20 hours to maintain temperature
Summer (June-August)
Air Temp: 18-27°C
- Heating capacity: 9.5-13.0 kW
- COP: 5.6-13.5 (peak efficiency)
- Heat-up time: 24-36 hours for top-ups
- Daily runtime: 8-14 hours to maintain temperature
Autumn (September-November)
Air Temp: 10-18°C
- Heating capacity: 7.0-10.5 kW
- COP: 4.0-7.7
- Extended runtime as temperatures drop
- Daily runtime: 18-22 hours to maintain temperature
All estimates assume pool cover usage and sheltered location
❓ Frequently Asked Questions
How efficient is the IPT12ALX compared to standard heat pumps?
The IPT12ALX achieves an average COP of 9.7 at 50% speed in optimal conditions, compared to 5.0-6.0 for traditional on/off models. This means you get nearly twice the efficiency, translating to significant energy savings. In real-world UK conditions (air 15°C, water 26°C), it maintains a COP of 6.1, still considerably better than conventional alternatives.
How quiet is this heat pump really?
At 10 meters distance, the IPT12ALX operates at just 21.9-32.0 dB(A) – comparable to rustling leaves or a gentle whisper. This is 9-11 dB(A) quieter than standard on/off heat pumps. In Whisper Mode, it’s even quieter (3 dB(A) reduction). Your neighbours will barely notice it’s running, making it perfect for residential installations and quiet neighbourhoods.
Can it heat and cool my pool?
Yes! The IPT12ALX offers three operation modes: Heat Only (18-40°C), Cool Only (12-30°C), and Auto Heat/Cool (12-40°C). This makes it ideal for year-round temperature management. In hot summers, cooling mode can lower water temperature for more refreshing swims, delivering 5.2 kW of cooling capacity.
What size pool is this suitable for?
The IPT12ALX is ideally suited for domestic pools between 30-70 m² surface area (approximately 40-90 m³ volume). For a typical 50 m² pool at 1.3m average depth (65 m³), it will heat from 18°C to 26°C in approximately 49 hours under spring conditions, or 27 hours in summer. Use a pool cover and sheltered location for best results.
What does the 5-year warranty cover?
The comprehensive 5-year manufacturer’s warranty includes on-site parts and labour, covering defects in materials and workmanship. This gives you peace of mind that your investment is protected. The warranty requires proper installation by qualified personnel, regular maintenance, and adherence to water chemistry guidelines (pH 7.2-7.8, chlorine 1-2 ppm domestic).
How do I control it remotely?
The IPT12ALX comes with built-in Wi-Fi connectivity. Download the dedicated mobile app (iOS/Android), connect to your home Wi-Fi network, and control all functions remotely: adjust temperature, switch modes (Heat/Cool/Auto), toggle between Boost and Whisper, monitor status, and receive notifications. An optional wired remote control panel (10m cable) is also available for indoor installation.
What is R32 refrigerant and why is it important?
R32 is an environmentally friendly refrigerant with a Global Warming Potential (GWP) of just 675 – significantly lower than older refrigerants like R410A (GWP 2088). It has zero ozone depletion potential and is fully compliant with F-Gas regulations and the 2025 phase-down requirements. R32 also requires less refrigerant volume per kW, improving efficiency while reducing environmental impact.
Does it work in cold weather?
Yes, the IPT12ALX (X-range) operates efficiently in air temperatures from -5°C to 43°C. For even colder conditions, consider the IPT12ALY (Y-range) which extends down to -10°C. The unit includes automatic defrost functionality and frost protection during standby. However, in freezing conditions, proper winterisation is essential to prevent damage.
Can I install it myself?
While the heat pump comes with comprehensive installation manuals, we strongly recommend professional installation by qualified personnel. Installation requires electrical work complying with IEE regulations, plumbing expertise, and understanding of heat pump technology. Incorrect installation can void warranty, reduce efficiency, or create safety hazards. A qualified installer will ensure optimal performance and compliance with all regulations.
How long will it last?
With proper maintenance and care, the IPT12ALX is designed for 10-15+ years of reliable operation. Key factors affecting longevity include: maintaining proper water chemistry (pH 7.2-7.8), regular filter cleaning, annual professional servicing, proper winterisation, and adequate ventilation. The premium aluminium alloy construction and titanium heat exchanger provide excellent corrosion resistance for extended service life.
What maintenance does it require?
Routine maintenance is minimal but essential:
- Monthly: Clean or check air inlet grilles for debris/obstructions
- Quarterly: Check water chemistry and adjust as needed
- Annually: Professional service including refrigerant check, electrical connections, component inspection
- Seasonally: Proper winterisation procedure if not operating in winter (drain water circuit, protect electronics, cover unit)
- Check warranty conditions document for complete water chemistry requirements
How much does it cost to run per hour?
At average UK electricity rates (£0.24-0.28/kWh), the IPT12ALX costs approximately £0.10-0.15 per hour in optimal summer conditions, and £0.15-0.20 per hour in cooler spring/autumn weather. Daily costs typically range from £2.40-£3.60 depending on ambient temperature, target pool temperature, and cover usage. This is significantly less than gas boiler (£7-10/day) or electric immersion (£14-21/day) heating.
✅ Why Buy the I-PAC 12 from Parts4Tubs?
Genuine Manufacturer Product Authentic IPT12ALX supplied directly from authorised Certikin distribution channels. Full manufacturer warranty honoured.
Expert Support Our team understands pool heating technology and can advise on sizing, installation requirements, and optimal operation for your specific pool.
Comprehensive Documentation Complete installation manuals, technical specifications, and ongoing support to ensure successful setup and operation.
Quality Assurance Every unit undergoes factory quality control and testing before dispatch. All components checked and verified.
Fast UK Delivery Quick dispatch from our UK warehouse with tracked shipping. Get your pool heating upgrade started without delay.
🚀 Transform Your Pool Experience Today
The I-PAC 12 Inverter Heat Pump represents the perfect combination of efficiency, performance, and environmental responsibility. With whisper-quiet operation, intelligent temperature control, and industry-leading efficiency ratings, it’s the smart choice for homeowners who want to extend their swimming season without excessive running costs.
Ideal For:
- ✅ Domestic in-ground pools (30-70 m²)
- ✅ Homeowners seeking ultra-quiet operation
- ✅ Extended summer season heating (May-September+)
- ✅ Eco-conscious pool owners prioritising efficiency
- ✅ Smart home integration enthusiasts (Wi-Fi control)
- ✅ Pools in residential neighbourhoods requiring low noise
Key Decision Factors:
- Up to 11 dB(A) quieter than standard heat pumps
- Average COP of 9.7 for exceptional efficiency
- 5-year comprehensive warranty for complete peace of mind
- R32 eco-refrigerant meeting 2025 F-Gas requirements
- Wi-Fi smartphone control for ultimate convenience
- Compact 27% smaller footprint for easy installation
Experience the difference that premium inverter technology makes to your pool enjoyment.
📦 Ready to Order? Add to your basket now and take advantage of fast UK delivery. Your extended swimming season is just days away.
🔐 Technical Compliance & Certifications
- ✅ CE Certified (EU Declaration of Conformity)
- ✅ F-Gas Compliant (R32 refrigerant)
- ✅ EMC 2004/108/EC Compliant
- ✅ IEE Wiring Regulations Compliant
- ✅ UK Permitted Development Compliant (compact size)
- ✅ ISO 9001 Quality Management
Designed by Dantherm in the UK for UK Climate
Manufacturer: Dantherm Group UK Model: IPT12ALX Series: I-PAC 12 (X-Range Extended Summer Season) Category: Swimming Pool Heat Pump – Inverter Technology Warranty: 5 Years (On-site Parts & Labour)
All specifications subject to change without notice. Always refer to unit nameplate for exact specifications. Performance figures based on laboratory testing under controlled conditions. Real-world performance will vary based on installation, climate, and usage patterns.



