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At AquaCave, we offer some of the best selection and best prices on Finnex Heaters & Controllers for your marine, reef, and freshwater aquarium.

45 of 45 Items
  • Finnex STE-800 Titanium Heater with Controller Finnex STE-800 Titanium Heater with Controller Finnex STE-800 Titanium Heater with Controller Finnex STE-800 Titanium Heater with Controller Finnex STE-800 Titanium Heater with Controller

    Finnex

    Finnex STE-800 Titanium Heater with Controller

    Finnex STE-800 Titanium Heater with Controller STE Titanium Heater Series   Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F,...

    Was: $129.99
    Now: $110.49
  • Finnex STE-600 Titanium Heater with Controller Finnex STE-600 Titanium Heater with Controller Finnex STE-600 Titanium Heater with Controller Finnex STE-600 Titanium Heater with Controller Finnex STE-600 Titanium Heater with Controller

    Finnex

    Finnex STE-600 Titanium Heater with Controller

    Finnex STE-600 Titanium Heater with Controller STE Titanium Heater Series   Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F,...

    Was: $118.99
    Now: $101.14
  • Finnex HC-820M Digital Heater Controller/800W Heater Combo Finnex HC-820M Digital Heater Controller/800W Heater Combo Finnex HC-820M Digital Heater Controller/800W Heater Combo Finnex HC-820M Digital Heater Controller/800W Heater Combo

    Finnex

    Finnex HC-820M Digital Heater Controller/800W Heater Combo

    Finnex HC-820M Digital Heater Controller/800W Heater Combo Finnex HC-820M Digital Heater Controller +Sensor The HC-820M Finnex heater controller uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The...

    MSRP: $119.98
    Was: $109.99
    Now: $93.49
  • Finnex STE-400 Titanium Heater with Controller Finnex STE-400 Titanium Heater with Controller Finnex STE-400 Titanium Heater with Controller Finnex STE-400 Titanium Heater with Controller Finnex STE-400 Titanium Heater with Controller

    Finnex

    Finnex STE-400 Titanium Heater with Controller

    Finnex STE-400 Titanium Heater with Controller STE Titanium Heater Series   Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F,...

    Was: $106.99
    Now: $90.94
  • Finnex HC-820M Digital Heater Controller/500W Heater Combo Finnex HC-820M Digital Heater Controller/500W Heater Combo Finnex HC-820M Digital Heater Controller/500W Heater Combo Finnex HC-820M Digital Heater Controller/500W Heater Combo

    Finnex

    Finnex HC-820M Digital Heater Controller/500W Heater Combo

    Finnex HC-820M Digital Heater Controller/500W Heater Combo Finnex HC-820M Digital Heater Controller +Sensor The HC-820M Finnex heater controller uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The...

    MSRP: $113.98
    Was: $104.99
    Now: $89.24
  • Finnex HC-820M Digital Heater Controller/300W Heater Combo Finnex HC-820M Digital Heater Controller/300W Heater Combo Finnex HC-820M Digital Heater Controller/300W Heater Combo Finnex HC-820M Digital Heater Controller/300W Heater Combo

    Finnex

    Finnex HC-820M Digital Heater Controller/300W Heater Combo

    Finnex HC-820M Digital Heater Controller/300W Heater Combo Finnex HC-820M Digital Heater Controller +Sensor The HC-820M Finnex heater controller uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The...

    MSRP: $106.98
    Was: $99.99
    Now: $84.99