Our aquarium heaters and thermometers section contains a varied range of heaters with integral thermostats from leading manufacturers like Eheim, Juwel, Hydor, Aquarium Systems and Rena.
Products include the innovative Hydor external thermal heater that can be easily connected to any canister filter.
The Aqua Medic Titan chiller represents a significant step forward in aquarium cooler engineering, offering...
From £409.99 (inc VAT)
Able to handle a massive amount of water the DC-2200 aquarium cooler is cable of refrigerating between 1000 to...
Only £689.99 (inc VAT)
The DC-300 aquarium cooler is cable of refrigerating between 50 to 300 litres and is the latest leap forward...
Only £285.95 (inc VAT)
The DC-4000 aquarium cooler is the largest chiller made by D&D. It is cable of refrigerating between 2000...
Only £949.99 (inc VAT)
The D&D DC-750 aquarium cooler is capable of refrigerating between 200 to 600 litres and comes from a...
Only £359.95 (inc VAT)
Swell Uk now sell Aqua Medic Titanium Heaters which are the safe alternative to glass heaters in both fresh and...
From £28.56 (inc VAT)
AquaEl Comfort Zone Aquarium Heaters are fully submersible with easy temperature selection. It is computer...
From £14.99 (inc VAT)
The AquaEl Easy Heater is a modern plastic heater with thermoregulation. It is exceptionally resistant to...
From £16.99 (inc VAT)
AquaEl Neo Heaters are advanced and versatile aquarium heaters with thermoregulation. It is capable of...
From £26.99 (inc VAT) 
The Aquarium Systems Newatt Pro is an entirely submersible heating systems for aquariums. The Newatt Pro is...
From £24.00 (inc VAT)
The Newattino is designed for aquariums between 10 to 20 litres. The unit has a reinforced plastic casings...
From £8.99 (inc VAT)
The Underworld Visitherm Heaters are widely recognised as the most accurate, the most reliable, and the easiest...
From £14.78 (inc VAT)
Eheim Jager Heaterstat aquarium heaters are considered to be among the most reliable in the market. They...
From £16.07 (inc VAT)
Fluval E-Series Electronic Heaters have reached the pinnicle of quality for modern aquarium heating and are...
From £24.99 (inc VAT)
Hagen Elite Pre-Set Submersible Heaters allow you the comfort and security of knowing that your aquarium...
From £12.99 (inc VAT)
The Hydor Aquarium Heater, formerly known as the Hydor Theo Heater has all the necessary features for safe and...
From £12.99 (inc VAT)
The Hydor ETH External Thermal Heater is the first unique external heater for aquariums with the exclusive...
From £29.95 (inc VAT)
Juwel Heaterstats available from Swell UK at discounted prices. The automatic heater from JUWEL for 50 W....
From £24.99 (inc VAT)
Rena Smart Heaters, now available from Swell UK. A Electronic sensor accurately monitors the temperature...
From £4.33 (inc VAT)
Tetra HT Aquarium Heaters offer high performance aquarium heating for a range of aquarium sizes with an easy...
From £21.99 (inc VAT)
The AquaHabitats H2 Therm Micro Heater is ideal for micro or nano aquariums. It is a discreet, slimline...
From £13.79 (inc VAT)
Digital heaters are the latest, quality addition to TMC's Vē range. VēTherm Digital Heaters...
From £21.99 (inc VAT)
The Aqua Medic Temperature monitor and controller: T controller is available in 2 versions: T controller HC...
From £160.96 (inc VAT)
Hydor HYDROSET Thermostat is a very precise electronic thermostat. It is suitable for aquariums and terrariums...
Only £33.69 (inc VAT)
Hydor HYDROSET Thermostat is a very precise electronic thermostat. It is suitable for aquariums and terrariums...
Only £62.79 (inc VAT) AquaEl Neo Heaters are advanced and versatile aquarium heaters with thermoregulation. It is capable of...
From £26.99 (inc VAT)
Betta Easy Read Thermometer In a community aquarium with species having different temperature requirements,...
Only £1.31 (inc VAT)
The biOrb Submersible Digital Thermometer (inc battery), available from Swell UK , at a discounted price....
Only £10.49 (inc VAT)
The Fluval Nano Thermometer is the tried and tested way to ensure that your aquarium's temperature is offering...
Only £1.19 (inc VAT)
The Juwel Digital Thermometer has been designed to meet the precise demands of the dedicated aquarium keeper,...
Only £9.07 (inc VAT)