50w Fish Tank Aquarium Heater

£7.99 Free UK delivery

This item is currently sold out

Same day despatch before 3pm *

Free tracked 2–3 days · 1–2 days £4 · Next day £6

Free UK delivery
30-day easy returns
Feefo Platinum Trusted Service 2026
American Express Apple Pay Google Pay Maestro Mastercard PayPal Shop Pay
£7.99
For tanks of 30-60 litres50w
Dial set 20-32CEasy access control dial
Heating light indicatorShows when it is heating
2mm shock-resistant glassDouble insulated

About the 50w Fish Tank Aquarium Heater

Most starter aquariums land somewhere between 30 and 60 Litres, which is exactly the band a 50w heater is built for - big enough to recover the tank after a water change, small enough not to swing it about.

Features

  • Completely submersible
  • Chrome nickel helical heating coil is designed for maximum life and even heating
  • Heating light indicator
  • Fresh and saltwater compatible
  • 2mm thick double insulated, shock-resistant glass
  • Easy access temperature control dial
  • Temperature can be adjusted between 20-32°C
  • Model: Boyu 50w Aquarium Heater

Suitable for Use With Fish Tank Capacity*:

  • 25w - 15-30 Litres
  • 50w - 30-60 Litres
  • 75w - 60-80 Litres
  • 100w - 80-110 Litres
  • 150w - 110-160 Litres
  • 200w - 160-210 Litres
  • 250w - 210-260 Litres
  • 300w - 260-310 Litres

* Suggested guidelines only. For aquariums > 310L, the use of two or more heaters is recommended. If your fish tank is located in a particularly hot or cold environment, you may wish to reduce or increase the unit wattage accordingly.

Delivery & returns
Tracked 2–3 daysFREE
Tracked 1–2 days£4.00
Courier next day£6.00
30-day returnsEasy online returns

Order before 3pm Monday–Friday for same-day despatch. We deliver to the UK mainland, Northern Ireland and the Isle of Man. Full delivery & returns policy

Frequently asked questions

How many litres will the 50w heat?

It is suggested for aquariums between 30 and 60 litres.

Is it suitable for a saltwater setup?

Yes, it is fresh and saltwater compatible.

How is the temperature set?

An easy access dial on the heater lets you adjust anywhere between 20 and 32°C.

Can I place it below the water line?

Yes, the heater is completely submersible.

What kind of heating element does it use?

A chrome nickel helical heating coil, designed for maximum life and even heating.

What if my aquarium is larger than 310 litres?

For aquariums over 310 litres the use of two or more heaters is recommended.

Specifications & downloads

Model: HT-850

Specifications
  • Wattage: 50w
  • Dimensions: Height; 263mm/32mm
  • Cable Length: 1.3m
  • Voltage:220-240V
  • 12 months warranty

You might also like

Recently viewed