Categories
-
AQUARIUM SUPPLIES
- Air Pumps
- Air Supplies
- Aquariums & Furniture
- Breeding Supplies
- Controllers
- Coral Propagation
-
Decorations
- Background
- Driftwood
- Aerating Ornaments
- Blue Ribbon Ornaments
- Deep Blue Ornaments
- Fluval Ornaments
- Marina IGlo Ornaments
- Marina Ornaments
- Penn Plax Aqua Floras
- Penn Plax Ornaments
- Underwater Treasures Glowing Ornaments
- Underwater Treasures Ornaments
- Zoo Med Ornaments
-
Plastic & Silk Plants
- Aquatop Plants
- BiOrb Plants
- Blue Ribbon Colorburst Plants
- Fluval Betta Plants
- Fluval Decorative Plants
- Marina Aquascape Plastic Plants
- Marina Naturals Silk Plants
- Penn Plax Plants
- Penn Plax Silicone Plants
- Tetra GloFish Plants
- Underwater Treasures Glow Plants
- Underwater Treasures Plants
- Underwater Treasures Silk Plants
-
Filter Media
- Biological Filter Media
- Chemical Filter Media
- Carbon & Ammonia
- Phosphate Control Media
- Water Softner Media
- Mechanical Filter Media
- Media Bags
- Reactor Media
-
Replacement Cartridges
- API Media
- Aquaclear Filter Media
- Aquatop Filter Media
- Aqueon Filter Media
- ATI Replacement Sponges
- Cascade Filter Media
- Eheim Filter Media
- Fluval C Series Media
- Fluval Filter Media
- Fluval G
- Hydor Filter Media
- Ken's Cartridges
- Marina Filter Media
- Marineland Cartridges
- Oase Filter Media
- Seachem Cartridges
- Seapora Filter Cartridges
- Tetra Filter Media
- Filters
- Feeders
-
Fish Food
- Ken's Basic Flake
- Ken's Bits & Wafers
- Ken's Crumbles & Granules
- Ken's Premium Flake
- Ken's Pellets
- Ken's Sticks
- Ken's Specialty Food
- Aquarium Munster
- Coral Food
- Dennerle Shrimp Food
- Fluval Fish Food
- Hikari Fish Food
- New Life Spectrum
- Northfin
- Ocean Nutrition
- Omega One
- Penn Plax Vacation Feeders
- PolypLab
- Pond Food
- San Francisco Bay
- Seachem Fish Food
- Sera
- Tetra
- Two Little Fishies
- Xtreme Fish Food
- Zoo Med Fish Food
- Frozen Fish Food
- Lighting
- Maintenance
- Medications
- Nets
- Plant Supplies
- Plumbing Parts
- Protein Skimmers & Media Reactors
-
Replacement Parts & Fittings
- Aquaclear Replacement Parts
- Aquatop Parts
- ATI Replacement Parts
- Cascade Parts
- Eheim Parts
- Fluval C Series Filter Parts
- Fluval LED Light Parts
- Fluval Parts
- Hydor Parts
- Lifeguard Aquatics Parts
- Marina Parts
- Marineland Parts
- Oase Replacement Parts
- Penn Plax Parts
- Seachem Parts
- Supreme Parts
- Tetra Parts
- Reverse Osmosis
- Shipping Supplies
- Substrate
- Temperature Control
- Test Kits
- UV Sterilizers
- Water Movement
- Water Treatments
- Gift Cards
- Pond Supplies
-
Reptile Supplies
- Hermit Crab Supplies
- Reptile Cages
- Reptile Cricket Supplies
- Reptile Food
- Reptile Feeders
- Reptile Filters & Pumps
- Reptile Habitat
-
Reptile Habitat Accessories
- A&E Habitat Accessories
- Reptile Backgrounds
- Exo Terra Habitat Accessories
- Fluker Farms Habitat Accessories
- Galapagos Habitat Accessories
- Komodo Habitat Accessories
- Kordon Habitat Accessories
- Mag Naturals Habitat Accessories
- Penn Plax Habitat Accessories
- Zilla Habitat Accessories
- Zoo Med Habitat Accessories
- Reptile Heating
- Reptile Humidity Control
- Reptile Lighting
- Reptile Maintenance Products
- Reptile Plants
- Reptile Replacement Parts
- Reptile Substrate
- Reptile Vitamins & Supplements
- Gift Cards
- Small Animals
Hydor Theo 400 Watt Heater
-
Sale
- Regular price: $47.99
Part #:
BE-24-04-00038
Product Description
Fully submersible heater you can position anywhere in your aquarium. Automatic shut-off in case heater runs out of the aquarium water. Highly accurate due to the use of precise micro switch technology. Shatterproof under normal aquarium situations. For use in freshwater and marine aquariums. The 400 watt model is recommended for aquariums between 80-105 gallons.
Length - 15.5"
