Refurbished Aquarium Heaters — 11 Deals

About Aquarium Heaters deals

11 open-box and refurbished Aquarium Heaters deals are live for shoppers in the US right now, with discounts averaging 18% off retail. Prices range from $13 to $86, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include Aqueon, Fluval, FEDOUR and hygger. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

11 live US listings.

USA

AQQA

AQQA Aquarium Heater 200W for 45-80 Gallon Submersible Fish Tank Heater for Aquarium Betta Fish Heater Aquarium Thermostat Heater Freshwater and Saltwater (200W for 45-80 Gal)

$21⁶⁷

Tonree Greenhouse Heater with Digital Thermostat, 1500W Electric Heater

$85⁴⁹

hygger 35-45 Gallon Short Fish Tank Heater, 250W Adjustable Submersible Aquarium Heater with Digital Display Controller, Run Dry & Overheating Protection

$27⁰⁷

FEDOUR 600W 800W Titanium Aquarium Heater with Digital Controller, Submersible Aquarium Heater with Overheating Protection, for up to 220Gallon Fish and Turtle Tank (800W for up to 220Gal)

$39¹⁹

AquaMiracle 300W Submersible Aquarium Heater with LED Digital Display

$26⁴⁹

Fluval M 50-Watt Submersible Aquarium Heater – Compact, Reliable Heating with Mirror Technology for Fresh & Saltwater Tanks Up to 15 Gallons

$30⁰²

Fluval E 100 Watt Electronic Heater

$42⁶⁸

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon

$13²⁵

Jecod ACF-300 Auto Cooling Fan for Aquarium Fish Tank, 4w

$20¹⁶

Aqueon Pro 200 Submersible Fish Tank Heater, 200 Watts

$60²⁶

Aqueon Adjustable Pro Aquarium Heater, 50W

$55²¹

Aquarium Heaters open-box FAQ

How much can I save on open-box Aquarium Heaters?

Discounts on Aquarium Heaters at OpenBoxFox currently average 18% off retail across 11 live listings, with prices from $13 to $86. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Aquarium Heaters safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Aquarium Heaters brands are on sale open-box right now?

The most-listed brands in Aquarium Heaters at the moment are Aqueon, Fluval, FEDOUR, hygger and Jebao. New open-box inventory arrives daily, so brand availability changes often.

How often are Aquarium Heaters deals updated?

OpenBoxFox syncs Aquarium Heaters inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.

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