🌊 Astral Pool Pro Elyo Touch PET-13 – 13.5kW Full Inverter Swimming Pool Heat Pump

Transform Your Pool into a Year-Round Oasis 🏊‍♂️

Experience the perfect pool temperature, every single day of the year. The Astral Pool Pro Elyo Touch PET-13 combines cutting-edge full inverter technology with whisper-quiet operation, delivering powerful 13.5kW heating capacity while slashing your energy bills by up to 33%. Whether it’s the depths of winter or the height of summer, this premium heat pump keeps your pool at the perfect temperature – even when outdoor temperatures plummet to -20°C.

Why Pool Owners Choose the PET-13

💰 Save Money Every Month – With a Coefficient of Performance (COP) up to 16, this heat pump delivers 16kW of heat for every 1kW of electricity consumed. That means you’ll spend significantly less on heating compared to traditional gas or electric heaters.

🔇 Enjoy Peace and Quiet – Operating at just 40-52dB(A), the PET-13 is quieter than a normal conversation. Advanced inverter technology automatically adjusts fan and compressor speeds, eliminating disruptive noise while maintaining perfect water temperature.

🌡️ Swim All Year Round – Designed for the UK climate and beyond, this heat pump continues performing efficiently even in freezing conditions down to -20°C. Extend your swimming season by months or enjoy year-round swimming comfort.

⚡ Intelligent Operation – Three smart operating modes adapt to your needs: Boost for rapid heating, Smart for balanced performance, and Ecosilence for ultra-quiet, energy-saving operation.

🎯 Key Features & Benefits

Full Inverter Technology – The Smart Way to Heat

Unlike traditional on/off heat pumps that constantly cycle, the PET-13’s full inverter system continuously adjusts compressor and fan speeds to match your pool’s exact heating needs. This results in:

✅ Maximum energy efficiency – Reduces electricity consumption by up to 33%
✅ Whisper-quiet operation – As low as 40dB(A) in Silent mode
✅ Longer equipment lifespan – No harsh start/stop cycles
✅ Faster, more stable heating – Precise temperature control within ±0.5°C

Three Intelligent Operating Modes

⚡ Boost Mode – Maximum Power for Rapid Heating
Perfect for the start of the swimming season or after cold spells. Delivers full 13.5kW capacity to heat your pool quickly.

🧠 Smart Mode – Automatic Optimization
The heat pump intelligently switches between high and medium power based on water temperature and ambient conditions, balancing speed with efficiency.

🔇 Silent Mode (Ecosilence) – Ultra-Quiet Operation
Ideal for overnight heating or noise-sensitive environments. Operates at minimal noise levels while maintaining energy-efficient performance.

Premium Build Quality for Lasting Performance

✅ Titanium Heat Exchanger – Compatible with both chlorinated and saltwater pools, highly resistant to corrosion
✅ R32 Refrigerant – Environmentally friendly with lower Global Warming Potential (GWP 675)
✅ IPX4 Weather Protection – Designed to withstand rain, snow, and harsh outdoor conditions
✅ ABS Plastic Casing – Durable, UV-resistant cabinet that won’t rust or degrade
✅ Anti-Vibration Feet Included – Reduces noise transmission and vibration

Modern LED Touch Screen Control

The intuitive LED touchscreen display makes operation effortless:

• Clear water temperature display
• Simple mode selection
• Timer programming
• System diagnostics
• Auto lock function to prevent accidental changes

Smart Connectivity (Optional)

The PET-13 is compatible with Fluidra Connect via the optional iQBridge RS module, allowing you to:

• Control your heat pump from anywhere via smartphone app
• Monitor pool temperature remotely
• Schedule heating times
• Receive maintenance alerts
• Integrate with complete pool automation systems

📊 Complete Technical Specifications

Heating Performance (Maximum Efficiency Conditions)

Test Conditions: Air 28°C, Water 28°C, Humidity 80%

Specification	Value
Heating Capacity Range	13.5 – 3 kW
Power Consumption Range	2.2 – 0.2 kW
COP (Coefficient of Performance)	6 – 16

Heating Performance (Typical UK Conditions)

Test Conditions: Air 15°C, Water 26°C, Humidity 70%

Specification	Value
Heating Capacity Range	9.0 – 2 kW
Power Consumption Range	2.0 – 0.25 kW
COP (Coefficient of Performance)	4.5 – 8

Electrical Specifications

Specification	Value
Model	PET-13
Part Number	74168
Voltage	220-240V / 1N~ / 50Hz
Rated Current	7.2A
Minimum Circuit Breaker Rating	11A

Physical & Installation Specifications

Specification	Value
Advised Water Flow	6 m³/h
Water Connection Size	50mm
Noise Level at 1m	40-52 dB(A)
Protection Rating	IPX4
Maximum Allowable Pressure	4.2 MPa
Net Weight	77 kg
Gross Weight	82 kg

Refrigerant Information

Specification	Value
Refrigerant Type	R32
Refrigerant Quantity	1 kg
GWP (Global Warming Potential)	675
CO₂ Equivalent	0.68 tonnes

🏊‍♀️ Pool Sizing Guide – Is the PET-13 Right for Your Pool?

The PET-13 is ideal for medium-sized residential swimming pools. Use this guide to determine suitability:

Recommended Pool Volumes

Pool Type	Volume Range	Temperature Rise
Optimal Performance	30 – 50 m³	Excellent heat-up times
Good Performance	50 – 75 m³	Good heat-up times
Extended Heating	75 – 90 m³	Longer heat-up times

💡 Pool Volume Calculation:

• Rectangular Pool: Length (m) × Width (m) × Average Depth (m)
• Round Pool: Radius² (m) × 3.14 × Average Depth (m)

Common Pool Size Examples

8m × 4m × 1.5m depth = 48m³ ✅ Perfect Match
10m × 5m × 1.5m depth = 75m³ ✅ Good Match
12m × 6m × 1.5m depth = 108m³ ⚠️ Consider PET-19 or larger model

⏱️ Heat-Up Time Estimates

Understanding how quickly your pool will heat helps you plan your swimming schedule and energy usage.

Estimated Heating Times for Different Pool Volumes

Formula Used: Time (hours) = (Pool Volume in m³ × Temperature Rise in °C × 1.16) ÷ Heat Pump kW Rating

Small Pool (30 m³) – Example: 7m × 3.5m × 1.2m

Temperature Rise	Heating Time (13.5kW Mode)	Heating Time (9kW Mode)
+5°C (20°C → 25°C)	13 hours	19 hours
+8°C (18°C → 26°C)	20 hours	31 hours
+10°C (18°C → 28°C)	26 hours	39 hours

Medium Pool (50 m³) – Example: 10m × 4m × 1.25m

Temperature Rise	Heating Time (13.5kW Mode)	Heating Time (9kW Mode)
+5°C (20°C → 25°C)	21 hours	32 hours
+8°C (18°C → 26°C)	34 hours	51 hours
+10°C (18°C → 28°C)	43 hours	64 hours

Large Pool (75 m³) – Example: 12m × 5m × 1.25m

Temperature Rise	Heating Time (13.5kW Mode)	Heating Time (9kW Mode)
+5°C (20°C → 25°C)	32 hours	48 hours
+8°C (18°C → 26°C)	51 hours	77 hours
+10°C (18°C → 28°C)	64 hours	97 hours

⚠️ Important Notes About Heat-Up Times:

• These are theoretical estimates based on ideal conditions
• Actual times vary based on: ambient temperature, pool cover usage, wind exposure, pool insulation, and water evaporation
• Using a quality pool cover can reduce heating times by 40-60% and dramatically reduce running costs
• Initial heat-up from cold takes longer; maintaining temperature requires much less energy
• Heating times shown use maximum capacity; Smart and Silent modes will take longer but use less energy

💡 Pro Tip: Heat your pool gradually over 2-3 days rather than trying to achieve target temperature in one go. This is more energy-efficient and reduces strain on the equipment.

💷 Running Cost Estimates

Daily Running Costs (Maintaining Temperature)

Once your pool reaches target temperature, the PET-13 only needs to run intermittently to maintain it.

Typical UK Energy Prices: £0.24 per kWh (as of November 2025)

Pool Size	Covered Pool	Uncovered Pool
30 m³	£2.50 – £4.00/day	£4.50 – £7.00/day
50 m³	£3.50 – £6.00/day	£6.50 – £10.00/day
75 m³	£5.00 – £8.50/day	£9.50 – £14.00/day

💰 Comparison vs. Gas Heating: The PET-13 typically costs 60-75% less to operate than gas pool heaters.

🌱 Annual CO₂ Savings: Approximately 2-3 tonnes less CO₂ emissions compared to gas heating.

🌡️ Seasonal Performance Expectations

Spring (March-May)

Ambient Temps: 8-16°C

• ✅ Excellent performance with COP 4-7
• Initial heat-up: 3-5 days for covered pool
• Running time: 12-18 hours/day to maintain 26-28°C
• Best time to start seasonal heating

Summer (June-August)

Ambient Temps: 16-24°C

• ✅ Peak efficiency with COP 6-12
• Minimal energy required to maintain temperature
• Running time: 4-8 hours/day
• Most economical season for operation

Autumn (September-November)

Ambient Temps: 8-16°C

• ✅ Good performance with COP 4-7
• Increased running time needed
• Running time: 14-20 hours/day to maintain 26-28°C
• Pool cover highly recommended

Winter (December-February)

Ambient Temps: -5 to 8°C

• ✅ Continues operating with COP 3-5
• Longer running times required
• Running time: 18-24 hours/day for heated pool
• Essential to use pool cover to minimize heat loss
• Automatic defrost function prevents ice buildup

📏 Installation Requirements & Clearances

Minimum Clearance Distances

For optimal performance and maintenance access:

• Front (air discharge): 5 meters clear space
• Rear (air intake): 50cm from walls or obstacles
• Sides: 30cm clearance both sides
• Top: 150cm overhead clearance

⚠️ Do Not Install:

• In fully enclosed spaces without ventilation
• Near shrubbery or hedges that block airflow
• In locations where discharged air recirculates back to intake
• Against walls without proper clearance

Installation Location Best Practices

✅ Ideal Locations:

• Open area with good air circulation
• Away from bedroom windows (even though quiet)
• Protected from prevailing winds (optional)
• On firm, level surface
• Near pool filtration system

Foundation Requirements

• Firm, level concrete base or paving slabs required
• Base must support minimum 90kg load
• Anti-vibration feet included (must be used)
• Slight slope away from unit for condensate drainage

Bypass Kit (Highly Recommended)

A bypass kit allows you to:

• Control water flow through the heat pump
• Isolate heat pump for maintenance
• Drain heat pump in winter
• Optimize heating efficiency

❄️ Winter Protection: Always drain the heat pump if temperatures drop below 0°C and the unit won’t be used, to prevent freeze damage to the titanium exchanger.

🔧 What’s Included in the Box

Your PET-13 comes complete with essential accessories:

📦 Included Accessories:

✅ 1 × Winter Cover – Protects the unit during off-season storage
✅ 4 × Anti-Vibration Feet – Reduces noise and vibration transmission
✅ Condensate Drainage Kit – Channels condensation water away from unit
✅ 1 × 10m Modbus Signal Wire – For connecting to Fluidra Connect box (optional)
✅ 2 × PVC Fittings (50mm) – For connecting to pool pipework
✅ User Manual – Complete installation and operation guide

Not Included (Required Separately):

• Bypass kit (highly recommended)
• Electrical cable and circuit breaker
• Additional pipework as needed
• iQBridge RS module (for smart connectivity)

❓ Frequently Asked Questions

Q: How long does it take to heat my pool initially?

A: Initial heat-up time depends on your pool volume and starting temperature. For a typical 50m³ pool, expect 2-3 days to raise temperature from 18°C to 26°C with a pool cover. See our detailed heat-up tables above for specific estimates. Using a quality pool cover can reduce this time by 40-60%.

Q: Can I use the PET-13 in winter?

A: Yes! The PET-13 operates reliably down to -20°C ambient temperature. However, heating efficiency decreases in colder weather, so running times increase and costs rise. A pool cover becomes essential in winter. Many users choose to close their pools in the coldest months (December-February) to save energy, but the unit can maintain a comfortable temperature year-round if desired.

Q: How much does it cost to run per month?

A: Running costs vary significantly based on pool size, target temperature, cover usage, and ambient temperature. For a typical 50m³ covered pool maintained at 26-28°C:

• Summer: £90-£150/month
• Spring/Autumn: £150-£250/month
• Winter (if operating): £300-£450/month

Using a pool cover can reduce these costs by 50% or more.

Q: Is the PET-13 suitable for saltwater pools?

A: Absolutely! The PET-13 features a titanium heat exchanger specifically designed for both chlorinated and saltwater pools. Titanium offers excellent corrosion resistance, ensuring long-term reliability in salt systems.

Q: How noisy is this heat pump?

A: The PET-13 operates between 40-52dB(A) depending on mode:

• Silent Mode: 40-44dB (quieter than a library)
• Smart Mode: 44-48dB (quiet conversation level)
• Boost Mode: 48-52dB (moderate conversation level)

For reference, normal conversation is around 60dB. Most users find it remarkably quiet compared to traditional pool heaters.

Q: What’s the difference between COP 6 and COP 16?

A: COP (Coefficient of Performance) measures efficiency. A COP of 6 means the heat pump produces 6kW of heat for every 1kW of electricity consumed. COP varies with ambient temperature – the warmer the air, the higher the COP. You’ll see COP 16 on warm summer days (28°C) and COP 4.5-6 on cooler spring days (15°C). Even at lower COPs, heat pumps remain far more efficient than electric or gas heating.

Q: Can I install this myself?

A: While competent DIY enthusiasts can handle the water connections, electrical installation must be performed by a qualified electrician due to the 220-240V power requirements. Incorrect installation voids the warranty and creates safety hazards. The refrigerant system is sealed and requires no intervention during installation. We recommend professional installation for optimal performance and safety.

Q: What size circuit breaker do I need?

A: The PET-13 requires a minimum 11A circuit breaker on a dedicated circuit. Your electrician will determine the exact requirements based on cable length and local electrical codes. The unit draws a rated current of 7.2A under maximum load.

Q: Will this work with my existing pool filtration pump?

A: Yes, the PET-13 integrates seamlessly with your existing filtration system. The heat pump requires water flow of approximately 6m³/h. Most standard pool pumps exceed this requirement. The heat pump includes a flow switch that prevents operation if water flow is insufficient, protecting the unit from damage.

Q: What maintenance does the PET-13 require?

A: Maintenance is minimal:

• Weekly: Visual inspection of unit and check for debris around air intake
• Monthly: Clean air filter (if accessible), check condensate drainage
• Seasonally: Clean evaporator coils if dusty, check all connections
• Annually: Professional service recommended (refrigerant check, electrical connections, full system test)
• Winter shutdown: Drain all water from heat exchanger if unit won’t operate below 0°C

Q: Does this heat pump also cool the pool?

A: The PET-13 is heating-only. Some models in the Pro Elyo Touch range offer reversible (heating and cooling) operation, but this specific model focuses on efficient heating performance.

Q: What warranty is provided?

A: AstralPool typically provides a 2-year manufacturer’s warranty on parts and labour (verify with your supplier for specific warranty terms). Extended warranty options may be available. Always register your product after installation to activate the warranty.

Q: Can I use this heat pump with a hot tub or swim spa?

A: Yes! The PET-13 works excellently with hot tubs and swim spas. The titanium exchanger is compatible with the higher chemical levels common in hot tubs. Ensure your hot tub volume doesn’t exceed 90m³ for optimal performance.

🌟 Why Buy from Parts4Tubs?

✅ Authorized AstralPool Dealer – Genuine products with full manufacturer warranty
✅ Expert Technical Support – Our team knows pool heating inside and out
✅ Fast UK Delivery – Get your heat pump quickly
✅ Competitive Pricing – Best value for premium quality equipment
✅ Installation Advice – We help you get it right the first time

🔒 Technical Compliance & Certifications

• ✅ CE Certified
• ✅ RoHS Compliant
• ✅ F-Gas Regulation Compliant
• ✅ IP X4 Weather Protection Rating
• ✅ Low GWP Refrigerant (R32)

📋 Quick Specification Summary

Feature	Specification
Model	PET-13
Part Number	74168
Heating Capacity	13.5 kW (max)
Power Supply	220-240V, 50Hz
COP	Up to 16
Operating Range	-20°C to +43°C
Noise Level	40-52 dB(A)
Refrigerant	R32 (1kg)
Water Connections	50mm
Weight	77kg (net)
Warranty	2 years (manufacturer)

🎯 Perfect For:

✅ Medium-sized residential pools (30-75m³)
✅ Indoor pool installations
✅ Outdoor pools in the UK climate
✅ Saltwater and chlorinated pools
✅ Year-round swimming enthusiasts
✅ Energy-conscious pool owners
✅ Noise-sensitive installations
✅ Retrofit replacements for old heaters
✅ Hot tub and swim spa heating

🌍 Environmental Credentials

The PET-13 represents responsible pool heating:

🌱 R32 Refrigerant – 68% lower Global Warming Potential than R410A
🌱 High Efficiency – Up to 83% less CO₂ than gas heating
🌱 Energy Rating – Achieves ‘A’ energy classification
🌱 Renewable Energy Compatible – Works efficiently with solar PV systems
🌱 Long Lifespan – Quality construction means fewer replacements

⚡ Energy Efficiency Explained

How Heat Pumps Save You Money:

Traditional electric heaters produce 1kW of heat for every 1kW of electricity consumed (100% efficiency).

The PET-13 produces 4.5-16kW of heat for every 1kW of electricity, by extracting free ambient heat from the air and transferring it to your pool water.

Real-World Example:

• Electric heater cost to produce 13kW of heat: 13kW × £0.24 = £3.12 per hour
• PET-13 cost at COP 6: 2.2kW × £0.24 = £0.53 per hour

That’s an 83% saving every single hour!

🎓 Technical Terms Explained

COP (Coefficient of Performance): The ratio of heat output to electricity input. Higher is better. COP varies with ambient temperature.

Inverter Technology: Variable-speed compressor and fan that adjusts output to match heating demand, unlike traditional on/off units.

R32 Refrigerant: Modern, eco-friendly refrigerant with low environmental impact.

Titanium Heat Exchanger: The component where heat transfers from refrigerant to pool water. Titanium resists corrosion.

kW (Kilowatt): Unit of power. 13.5kW means the heat pump can deliver 13,500 watts of heating.

dB(A) (Decibels A-weighted): Measurement of noise level adjusted to human hearing sensitivity.

💡 Pro Tips for Maximum Efficiency

1. Use a Pool Cover A quality cover reduces heat loss by 50-70%, dramatically reducing running costs and heating times.

2. Set Realistic Temperatures Each degree lower saves approximately 10-15% on running costs. Consider 26°C instead of 28°C.

3. Heat Gradually Initial heat-up over 2-3 days is more efficient than rapid heating.

4. Maintain Water Chemistry Balanced water chemistry extends equipment life and maintains efficiency.

5. Clear Debris Regularly Keep air intake and discharge areas clear for optimal airflow and efficiency.

6. Use Timer Function Heat during warmer parts of the day for best efficiency (daytime vs. overnight).

7. Service Annually Professional maintenance ensures peak performance and longevity.

8. Insulate Pipework Insulated pipes between heat pump and pool reduce heat loss.

🌊 Ready to Transform Your Pool Experience?

The Astral Pool Pro Elyo Touch PET-13 delivers professional-grade heating performance with residential-friendly efficiency and quiet operation. Extend your swimming season, reduce your energy bills, and enjoy the perfect pool temperature year after year.

Order yours today and start enjoying comfortable swimming tomorrow!