Zodiac Heat Pump Z400IQ And Z550IQ Outdoor Pools

Designed for these situations

• You replace an older heat pump with high noise and poor efficiency
• You install equipment in tight technical spaces near the pool
• You manage a salt pool and need corrosion resistant components
• You want remote control of temperature and modes from your phone
• You need stable heating across spring and autumn conditions
• You compare On Off systems versus inverter technology

Experience the difference in real use

You start the season with cold water. In Z400iQ, heating begins with steady output. In Z550iQ, Boost mode increases compressor speed for faster temperature rise.

Once target temperature is reached, Z550iQ reduces power automatically. Noise drops and consumption stabilizes. The system adapts instead of switching fully on or off.

With vertical airflow, the unit fits closer to walls and structures. This reduces installation constraints by up to 70 percent compared to front discharge units

Make the right choice

Use this rule when choosing:

• Lower range if you use a pool cover and heat only in summer
• Middle range for regular use from spring to autumn
• Upper range if you want faster heating or have heat loss
• Prefer inverter models for daily use and noise control
• Oversize On Off models to avoid long heating cycles

Choose Z550iQ if you want reduced energy use and adaptive control. Choose Z400iQ if you want a simpler system with stable operation.

Why this product stands out

• Vertical air discharge reduces installation space requirements
• Integrated Wifi with iAquaLink control for remote management
• Titanium heat exchanger resists corrosion in salt and treated water
• Reversible operation allows heating and cooling
• Multiple operating modes in Z550iQ optimize performance and noise

Materials and construction

Body in galvanized steel or polypropylene. Titanium condenser for chemical resistance. Optional stainless steel front panel improves durability in coastal environments

Performance specs

• Heating capacity range: 10 to 22 kW Z400iQ
• Heating capacity range: 12 to 20 kW Z550iQ
• COP up to 5.9 Z400iQ, up to 12 variable Z550iQ
• Sound pressure: 25 to 37 dB at 10 m
• Operating air temperature: 0 to 50 °C
• Refrigerant: R32 low GWP

Compliance and safety

CE compliant for EU directives including electrical and environmental requirements. Tested under EN60704 acoustic standards for noise measurement

Compatibility and exclusions

Compatible with in ground, above ground, and semi in ground pools up to 145 m³. Works with chlorine, bromine, and salt systems up to 6 g per litre.

Not suitable for indoor installation without ventilation planning. Not designed for industrial or commercial pools beyond specified volume range.

Extractable specifications

• Product type: Air to water pool heat pump
• Technology: On Off or Full inverter
• Heat exchanger: Titanium
• Refrigerant: R32
• Airflow: Vertical discharge
• Control: Wifi via iAquaLink
• Water connection: 50 mm PVC
• Max pressure: 3.5 bar
• Noise level: 25 to 37 dB at 10 m

Equivalence mapping

• Replaces: Zodiac Z300 series
• Alternative to: Hayward EnergyLine Pro FI, Fairland inverter heat pumps
• Not the same as: fixed speed entry level heat pumps without Wifi or inverter control

How to get best results

• Install on stable base with clear airflow space
• Connect to filtration system for heating priority control
• Use pool cover to reduce heat loss
• Select Eco Silence for maintenance temperature
• Use Boost mode only during initial heating

Common questions

• Is inverter worth it Yes if you run the system daily and want lower consumption and noise
• Does it work with salt water Yes titanium exchanger resists corrosion
• Can I install it near a wall Yes vertical airflow reduces clearance needs
• Do I need professional installation Yes for warranty and correct hydraulic connection

Available options

• 12 kW | Z550iQ MD4 | WH000519
• 15 kW | Z550iQ MD5 | WH000520
• 15 kW | Z550iQ TD5 3 Phase | WH000521
• 20 kW | Z550iQ MD8 | WH000522
• 20 kW | Z550iQ TD8 3 Phase | WH000523
• 10 kW | Z400iQ MD4 | WH000382
• 12 kW | Z400iQ MD5 | WH000383
• 18 kW | Z400iQ MD7 | WH000384
• 18 kW | Z400iQ TD7 3 Phase | WH000385
• 22 kW | Z400iQ MD8 | WH000386
• 22 kW | Z400iQ TD8 3 Phase | WH000387
• 22 kW | Z400iQ MD9 | WH000388
• 22 kW | Z400iQ TD9 3 Phase | WH000389

Merchant

LordsWorld supplies this product across the EU. Technical verification is performed before dispatch when required to ensure correct sizing and compatibility.