# Fluval E200 A773 Electronic Aquarium Heater

The Fluval E200 electronic aquarium heater is listed as model A773 and has a temperature display, dual temperature sensors and a fish guard. The supplied listing conflicts on its wattage, so confirm the selected model’s power rating before buying.

- [Original product page](https://aussiedealscout.com/product/fluval-e200-a773-electronic-aquarium-heater)
- [View offer](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)
- Market: AU
- Language: en-AU
- Currency: AUD
- Brand: Fluval
- Model: A773
- Category: Pet Supplies > Aquariums & Terrariums
- Price: 53.60 AUD
- Previous price: 65.29 AUD
- Discount: 18%
- Price checked: 2026-11-13T12:07:13.400Z
- Rating: 4.2 / 5
- Reviews: 1549

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Dual temperature sensors are described as monitoring aquarium water temperature in real time.
- The LCD display shows water temperature and supports Fahrenheit or Celsius.
- The listing describes a colour-changing alert when water differs by at least 2°F from the set temperature, with a flashing screen for changes beyond 5.5°F.
- An integrated fish guard is intended to prevent direct contact with the heater core.
- The product description says the heater must remain submerged and should be disconnected and cooled before removal.

## Pros

- A continuously displayed water-temperature reading and coloured alerts can make changes easier to notice.
- Temperature adjustment is stated in 0.5° increments.
- The integrated fish guard separates fish and invertebrates from the heater core, according to the listing.

## Specifications

### Identity and display
- Brand: Fluval
- Model: A773
- Screen technology listed: LCD
- Colour: Black
### Heating and settings
- Wattage in title: 100-Watt Heater for Aquariums up to 65 Gal.
- Wattage in feature claim: 200-watt heater for freshwater and saltwater aquariums up to 65 gallons with a 5-year warranty
- Temperature range in feature claim: 68 to 93 degrees Fahrenheit
- Temperature adjustment increments: 0.5° increments
- Temperature display options: both Fahrenheit and Celsius
### Power and installation
- Power configuration: Plug
- Mounting type listed: Suction Cups
- Form factor: Pedestal
- Weight listed: 0.39 Kilograms
- Dimensions: 51D x 32W x 349H millimetres
- Operating location: Indoor

## Before you buy

- The description warns not to operate the heater outside the aquarium. If water drops below the marked minimum level, temperature control may be impaired. Disconnect it and wait at least 30 minutes before removal or water changes.
- Customer feedback includes reports of temperature-control problems, unit failures, and criticism of a European two-pin plug. Confirm the plug supplied for the selected listing and consider whether the heater suits your aquarium-monitoring needs.
- The listing is contradictory about wattage: the title specifies 100 watts, while a feature claim calls it 200 watts. A separate product-type name also says 200W. Confirm the wattage for the selected A773 listing and do not assume either rating is settled. The feature claim states capacity up to 65 gallons, and this is not converted here to a different unit.

## In the box

- All Items listed in Description (Included): Explicit manufacturer contents list; not independently verified.

## A good fit for

- Aquarium keepers seeking a heater with a continuously visible temperature reading and colour alerts.
- Freshwater or saltwater aquarium owners considering the stated capacity, after confirming the wattage on the selected listing.

## Less suited to

- Buyers who need an unambiguous wattage specification without checking the selected listing.
- Buyers who need a confirmed locally compatible plug type before purchase.

## Customer feedback

Customer feedback highlights ease of use and a clear temperature indicator, while reports on heating performance, display readability and value are mixed. The feedback also raises concerns about temperature control, durability and plug type. These points matter for a heater whose listing describes continuous temperature monitoring, but the reports do not establish how a particular unit will perform. Confirm the wattage and plug details, and keep in mind that the listing itself instructs users to keep the heater submerged.
- Positive themes: Some customers describe it as easy to use and appreciate the temperature indicator.
- Negative themes: Customers report temperature-control problems and units failing after about a year. Some also criticise the plug type, including one report of a European two-pin plug.
- Mixed feedback: Feedback on heating performance, display readability and value for money is mixed.

## Frequently asked questions

### Is the Fluval E200 A773 a 100-watt or 200-watt heater?
The listing conflicts: the title says 100 watts, while a feature claim and product-type name state 200W. Confirm the selected listing’s wattage before buying.
### What temperature range is listed?
A feature claim gives a range of 68 to 93 degrees Fahrenheit. The description says adjustment is available in 0.5° increments.
### Can this heater run outside the aquarium?
No. The product description warns that it must not be operated outside the aquarium. It also says to disconnect it and wait at least 30 minutes before removal or water changes.
### Does the listing confirm the plug type for Australia?
The details say the power source is a plug, but do not establish the supplied plug’s local compatibility. Customer feedback mentions a European two-pin plug, so confirm the plug for the selected listing.

## Alternative options

- [Fluval T200 Fully Electronic Heater for Freshwater Aquariums up to 65 Gal.](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)
- [Aquarium Heater, Titanium Heater with Digital LED Controller & Temperature Probe \(200W\) Submersible Fish Tank Heater with Temperature Calibration for Saltwater Freshwater Tank 40 Gallon](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)
- [SUSOO 100W Aquarium Heater with Digital Display, Constant Temperature \| 20°C-34°C \(68℉-93℉\) Control Range, Submersible Quartz Glass, Auto Shutoff Protection For Fish, Shrimp And Turtle Tanks](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)
- [PYPABL Adjustable Submersible Aquarium Heater, 25W 50W 100W 300W Fish Tank Heater for Fish Tank 1-300L with External Controller \(300W for 180-300L\)](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)
- [Eheim Jäger 3616010 Aquarium Control Heater 150](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)
- [Fluval P25 Submersible Aquarium Heater for Up to 6 Gallons, 25 Watts](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)

## Add-ons

- [Fluval FX2 External Aquarium Filter](https://aussiedealscout.com/visit/fluval-e200-a773-electronic-aquarium-heater)

## Images

![Fluval E200 A773 Electronic Aquarium Heater — 1](https://aussiedealscout.com/i/py1-ItC6ifnOyGPzU3LcAyNPqpxplDKTANcAoE4lWRqA5InarlcdK8TyqUJlbq5lKtgwvGcU3omdFuU566LoxPF-J_DosXqz6OupCjFfl4SXwH77Hos3EGJL.jpg)

![Fluval E200 A773 Electronic Aquarium Heater — 2](https://aussiedealscout.com/i/-wm3RzHffpwLJby3YPBPP5vCxd7XCYCPrqeeG6chYXSZKqUTu0ocZS_XtaIbpGTStRBakMKV5c9c5SntQaKw_coPSAbwEmIQkJ82ypdwsRDFyhQwcWtkk9Vq.jpg)

![Fluval E200 A773 Electronic Aquarium Heater — 3](https://aussiedealscout.com/i/MTAB-Lf33E-4_U4cR4UYaf6OaC-yAKy1Iv-3-ei3QDSRum1KKeb1D9hN2n9Wl-NXxTCN20TChayxdHJ2jRjNV1tPY87G1BhIPuDZol5cuAYdAP5pUVOXlOFU.jpg)

![Fluval E200 A773 Electronic Aquarium Heater — 4](https://aussiedealscout.com/i/vt9iH6FMs_185tgdLNikC7CGC96Qr901Rf59SPUiAOTq1vpTyTscjEfrL3HUKnuzSCnU_OtdWq3rb6m19I6kLPWc-hUMYV62uOS69pYTezWZSc-GK6wgEOHT.jpg)

![Fluval E200 A773 Electronic Aquarium Heater — 5](https://aussiedealscout.com/i/b5mLiXzKHA_bgcnbBQTMIEBnFIHgsjHXcOAY274FAgMrNc9VNVJ85zqPvhuXE8WlxRhTaN_Wx0-BEoWzQ4zl3nZR0kKLL_gWUUIU973MU3GpVqVBrI1EqvCs.jpg)

![Fluval E200 A773 Electronic Aquarium Heater — 6](https://aussiedealscout.com/i/rjPOTAG9-U3lr0wZrH94ogONXJs13Yt_23uK-ABdAeFJIKh6XFp_E0vesZQN00oFVbGzMHfpXcarewIsPnb4BiDfcNQ1W2GIAKmrxQ2pmiU-Qxlc8y5eZo9D.jpg)

![Fluval E200 A773 Electronic Aquarium Heater — 7](https://aussiedealscout.com/i/fMs7qY3PLSk7gGRf7DsiR1SZEeoFKgNx8-hv1CCIyixL0Dsgs4J45lXHIzPUz-oXIb90MCVeqlrfaJcju-PGW9caX8LT_vD88Q-5QDfuFcyE1JuN4dbc-awR.jpg)