Hailea HC water chillers
Hailea HC water chillers
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Order by 3pm Mon–Thu for next-working-day delivery · FREE delivery over £50 · Free Wembley pickup
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Hold your reservoir cool and keep roots working
Hailea HC Water Chillers are professional-grade cooling units that hold nutrient solution at a stable temperature in hydroponic systems. Keeping the reservoir in the ideal range maximises dissolved oxygen, supports healthy root development and improves nutrient uptake across DWC, RDWC, NFT and other recirculating systems. Built around a corrosion-resistant pure titanium evaporator and digital microcomputer thermostat, the HC Series suits grow tents, grow rooms and commercial indoor setups where precise water temperature control is essential.
Struggling with warm reservoirs and sluggish roots?
Warm nutrient solution holds less dissolved oxygen, encourages root disease and pythium, and slows growth and nutrient absorption. The HC Series automatically maintains your chosen reservoir temperature, creating a healthier root environment through veg and flower - particularly valuable in high-intensity LED or HID rooms where reservoirs heat up fast.
Key Benefits
- Consistent nutrient temperature across the whole growing cycle
- Higher dissolved oxygen for better nutrient uptake and stronger roots
- Digital thermostat with microcomputer-controlled adjustment
- Pure titanium evaporator, corrosion-resistant for fresh water
- R134a refrigerant on most models, environmentally friendly
- Compressor protection cuts the circuit automatically to prevent burnout
- Multiple capacities for reservoirs from around 100L to 2,000L
How to Use
- Stand the chiller on a flat, well-ventilated surface with clear space around the vents.
- Connect the inlet and outlet hoses to your reservoir using a pump matched to the recommended flow rate for your HC model.
- Fill the system and confirm water is circulating before switching the chiller on.
- Set your target temperature, typically 18-20C for most hydroponic crops.
- Let the unit regulate reservoir temperature automatically.
- Clean the water filter and inspect the condenser regularly to keep cooling efficient, and never run it without water circulating.
Technical Specifications
- Product range: HC Series water chillers
- Cooling capacities: models for reservoirs from approximately 100L to 2,000L
- Digital thermostat: microcomputer-controlled temperature adjustment
- Refrigerant: R134a (most HC-A models)
- Evaporator: pure titanium, corrosion-resistant
- Recommended flow rates: approximately 200-4,000 L/h depending on model
- Protection: automatic compressor cut-out
- Compatible systems: DWC, RDWC, NFT, drip and other recirculating hydro systems

Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.