Theo UL Heater for Sale | Theo Aquarium Heater | Buy Theo Aquarium Heater | Tropical Fish Tanks



The Hydor Theo UL Heater is equipped with PTC, meaning that it will not break if it's run while out of the tank. This is a common occurence with most aquarium heaters, so purchasing a an aquarium heater like the Theo UL heater is a great addition to your home or office aquarium! The Theo Heater is available in 25W, 50W, 100W, 150W, 200W, and 300W models so the Hydor Theo heater will fit any size aquarium.

THEO UL Heater 200W THEO UL Heater 200W
List Price: $26.99
Sale Price: $16.95
Average Rating:
THEO UL Heater 25W THEO UL Heater 25W
List Price: $20.99
Sale Price: $13.78
Average Rating:
THEO UL Heater 150W THEO UL Heater 150W
List Price: $24.99
Sale Price: $17.19
Average Rating:
THEO UL Heater 100W THEO UL Heater 100W
List Price: $22.99
Sale Price: $19.99
Average Rating:
THEO UL Heater 50W THEO UL Heater 50W
List Price: $22.49
Sale Price: $15.49

Hydor Theo 100 watt Aquarium Heater 100w Submersible
Hydor Theo 100 watt Aquarium Heater 100w Submersible
Paypal   US $26.69
Hydor Theo Heater 300 watt INLINE HEATER
Hydor Theo Heater 300 watt INLINE HEATER
Paypal   US $39.99
HYDOR THEO 400watt Submersible Heater
HYDOR THEO 400watt Submersible Heater
Paypal   US $24.95
hydor theo heater 400w
hydor theo heater 400w
Paypal   US $33.00
HYDOR THEO AQUARIUM HEATER 100 WATT 26 GALLON NEW
HYDOR THEO AQUARIUM HEATER 100 WATT 26 GALLON NEW
Paypal   US $19.99
Hydor Theo 50 watt Submersible Heater
Hydor Theo 50 watt Submersible Heater
Paypal   US $21.99
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