Marina Submersible Pre-Set Mini Heater

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This is a specialist veterinary product. We will ask you a simple set of questions to confirm that you are buying the correct medicine for your pet and know how to use it safely

Warning: By law we cannot sell this product to anyone under 18, by placing an order with us you are confirming that you are over the age of 18.

Order by 3pm for Express Courier Delivery  Some of the items we sell are a bit too bulky to fit on our delivery vans so we offer our customers Next Day Delivery via courier. Deliveries are made from 8am - 8pm Monday to Saturday and 9am - 5pm on Sundays. Your delivery slot will only be confirmed once your order has been placed.

Small yet powerful, the mini 25-watt Marina Submersible Aquarium Heater provides reliable heating  The heater includes many practical features for easy use, safety and convenience, including an easy-to-access temperature set dial, on/off pilot light indicator, and a bumper guard for fish safety.

Key Benefits

  • 25-watt submersible heater for fresh or saltwater aquariums.
  • Easy-to-access temperature set dial.
  • Easy-to-read temperature settings.
  • On/Off pilot light indicator.
  • Impact-resistant glass design.
  • Bumper guard for fish safety.
  • Water proof sealing.
  • Pilot light.
  • Includes bracket with suction cups for easy, secure installation.
  • CSA approved.
  • Temperature heating range: 20° C to 28° C (68° F to 82° F).

Recommended for

For fresh or saltwater aquariums.


Made of durable high-impact glass, it’s built to last under normal aquatic conditions.