Aquarium Heater Fit

Individual model evidence

Aquarium heater reviews

Each assessment is tied to a specific product identity and electrical version. We describe documented capabilities and meaningful unknowns rather than claiming personal use, lab measurements, prices, stock or customer experience.

The English library currently contains 158 individually researched assessments from a bounded source set. Treat it as a curated evidence library, not a complete census of every model or retailer offer.

Start with these model guides

Reviewed aquarium heaters

Model identification references

Use these references to distinguish model names and versions. For a buying shortlist, start with the finder.

Reviewed aquarium heaters

Aqueon Aquatic Flat Heater 15 W retail package, visibly labeled for aquariums up to 10 gallonsExact 15 W package reference · finder hold

Aqueon · Model reference

Aqueon Aquatic Flat Heater 15 W

Aqueon's exact US family page says the 15 W Aquatic Flat Heater is for 4–10 gallon tanks, while the 2025 catalog lists 5–10 gallons; the Model 01231 manual confirms the 10-gallon ceiling and estimates a 3–6°F average rise above ambient. Because the source claims differ at the lower boundary and this site's volume matcher only checks a maximum, the model remains a visible reference rather than a buying match.

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Aqueon Submersible Aquarium Heater 100 W package front with heater visible through carton windowManufacturer package image · exact 100 W / TA100 reference

Aqueon · Model reference

Aqueon Submersible Glass Heater 100 W

Aqueon's exact TA100 instructions recommend 15–40 US gallons for this 100 W, 120 V / 60 Hz adjustable, fully submersible glass heater. The current package/catalog rate it up to 40 gallons; the TA300's manual ceiling differs from that claim. It remains a reference assessment because the present maximum-only finder cannot enforce the model's lower gallon limit.

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Aqueon Submersible Aquarium Heater 150 W package front with heater visible through carton windowManufacturer package image · exact 150 W / TA150 reference

Aqueon · Model reference

Aqueon Submersible Glass Heater 150 W

Aqueon's exact TA150 instructions recommend 30–55 US gallons for this 150 W, 120 V / 60 Hz adjustable, fully submersible glass heater. The current package/catalog rate it up to 55 gallons; the TA300's manual ceiling differs from that claim. It remains a reference assessment because the present maximum-only finder cannot enforce the model's lower gallon limit.

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Aqueon Submersible Aquarium Heater 200 W package front with heater visible through carton windowManufacturer package image · exact 200 W / TA200 reference

Aqueon · Model reference

Aqueon Submersible Glass Heater 200 W

Aqueon's exact TA200 instructions recommend 50–75 US gallons for this 200 W, 120 V / 60 Hz adjustable, fully submersible glass heater. The current package/catalog rate it up to 75 gallons; the TA300's manual ceiling differs from that claim. It remains a reference assessment because the present maximum-only finder cannot enforce the model's lower gallon limit.

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Aqueon Submersible Aquarium Heater 300 W package front with heater visible through carton windowManufacturer package image · exact 300 W / TA300 reference

Aqueon · Model reference

Aqueon Submersible Glass Heater 300 W

Aqueon's exact TA300 instructions recommend 65–90 US gallons for this 300 W, 120 V / 60 Hz adjustable, fully submersible glass heater. The current package/catalog rate it up to 100 gallons; the TA300's manual ceiling differs from that claim. It remains a reference assessment because the present maximum-only finder cannot enforce the model's lower gallon limit.

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Aqueon Submersible Aquarium Heater 50 W package front with heater visible through carton windowManufacturer package image · exact 50 W / TA50 reference

Aqueon · Model reference

Aqueon Submersible Glass Heater 50 W

Aqueon's exact TA50 instructions recommend 5–20 US gallons for this 50 W, 120 V / 60 Hz adjustable, fully submersible glass heater. The current package/catalog rate it up to 20 gallons; the TA300's manual ceiling differs from that claim. It remains a reference assessment because the present maximum-only finder cannot enforce the model's lower gallon limit.

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Aqueon Mini Heater 10 W retail package showing the black heater and its 5-gallon maximumOfficial Mini Heater 10 W package image

Aqueon · Model reference

Aqueon Mini Heater 10 W

Aqueon's US product page describes a 10 W fully submersible mini heater for 2.5–5 US gallon desktop aquariums. The exact manual identifies Model 06194 at 120 V / 60 Hz and requires a marked minimum water level, circulation and a 30-minute submerged wait before power. It remains a visible reference assessment—not a finder result—because the current volume matcher cannot enforce the documented lower limit.

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Aqueon Preset Heater 100 W package front with the heater visible in the cartonExact package photo - up-to-20-gallon label

Aqueon · Model reference

Aqueon Preset Heater 100 W

The Aqueon US Preset selector record identifies 100 W Item 100106252 / UPC 015905062527, preset to 78 degrees F with stated +/-1 degree accuracy and a 30-gallon maximum. The exact PS100H manual recommends 20-30 gallons and specifies 120 V / 60 Hz. The UPC-linked product-page package photo reads up to 20 gallons; a separate 100 W package illustration on the 2025 catalog spread reads up to 40, and the general 100 W chart spans 15-40. Keep these as distinct maker statements and use the exact manual's 20-30 gallon band. This model is reference-only because its 20-gallon minimum cannot be enforced by the current matcher.

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Aqueon Preset Heater 150 W package front with the heater visible in its boxManufacturer package image · PS150H reference

Aqueon · Model reference

Aqueon Preset Heater 150 W

Aqueon's current US variant page identifies Item 100106253 / UPC 015905062534, a 150 W fixed-78°F heater rated up to 55 US gallons. The exact PS150H instructions recommend 30–55 gallons, list 120 V / 60 Hz, a 7.25-inch overall length and two suction cups. Its package labels fresh/saltwater use and shatter-resistant quartz glass. The exact gallon minimum cannot be enforced in the current matcher, so this remains a reviewed reference rather than a finder result.

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Aqueon Preset Heater 200 W package front with the heater visible behind the windowManufacturer package image · PS200H reference

Aqueon · Model reference

Aqueon Preset Heater 200 W

Aqueon's current US variant page identifies the 200 W model as Item 100106254 / UPC 015905062541, preset to 78°F and rated up to 75 US gallons. The exact PS200H manual recommends 55–75 gallons, specifies 120 V / 60 Hz, a separate 8.75-inch overall length and two suction cups. Its package labels fresh/saltwater use and shatter-resistant quartz glass. The generic wattage chart starts at 50 gallons, but the exact manual starts at 55. This remains reference-only because the matcher cannot enforce the manual's lower endpoint.

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Aqueon Preset Heater 50 W package front with the heater visible through its box windowManufacturer package image · PS50H reference

Aqueon · Model reference

Aqueon Preset Heater 50 W

Aqueon's current US variant page and PS50H instructions identify a fixed 78°F, 50 W submersible heater rated for 5–20 US gallons, with a 120 V / 60 Hz supply and one suction cup. The package labels freshwater and saltwater use and shatter-resistant—not shatterproof—glass construction. This is a reference-only assessment because the current finder cannot enforce its five-gallon minimum.

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Finnex HMC-series aquarium heater, remote sensor and digital controller components; exact wattage is not identified.Official image · HMC series; not wattage-specific

Finnex · Model reference

Finnex HMC-100S 100 W Titanium Aquarium Heater

Finnex’s HMC family table lists HMC-100S at 100 W for 20–30 US gallons, with a 8-inch tube, 0.83 A at the stated 110 V reference, and 68–92°F control. This is a reference-only manufacturer configuration, not a finder match or a performance guarantee. The current official Shop record assigns SKU HMC-100S and Shopify variant ID 51471028388139 with null UPC.

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Finnex HMC-series aquarium heater, remote sensor and digital controller components; exact wattage is not identified.Official image · HMC series; not wattage-specific

Finnex · Model reference

Finnex HMC-200S 200 W Titanium Aquarium Heater

Finnex’s HMC family table lists HMC-200S at 200 W for 40–60 US gallons, with a 11.2-inch tube, 1.67 A at the stated 110 V reference, and 68–92°F control. This is a reference-only manufacturer configuration, not a finder match or a performance guarantee. The current official Shop record assigns SKU HMC-200S and Shopify variant ID 51471028420907 with null UPC.

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Finnex HMC-series aquarium heater, remote sensor and digital controller components; exact wattage is not identified.Official image · HMC series; not wattage-specific

Finnex · Model reference

Finnex HMC-300S 300 W Titanium Aquarium Heater

Finnex’s HMC family table lists HMC-300S at 300 W for 60–80 US gallons, with a 12.4-inch tube, 2.5 A at the stated 110 V reference, and 68–92°F control. This is a reference-only manufacturer configuration, not a finder match or a performance guarantee. The current official Shop record assigns SKU HMC-300S and Shopify variant ID 51471028453675 with null UPC.

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Finnex HMC-series aquarium heater, remote sensor and digital controller components; exact wattage is not identified.Official image · HMC series; not wattage-specific

Finnex · Model reference

Finnex HMC-400S 400 W Titanium Aquarium Heater

Finnex’s HMC family table lists HMC-400S at 400 W for 80–100 US gallons, with a 15.1-inch tube, 3.33 A at the stated 110 V reference, and 68–92°F control. This is a reference-only manufacturer configuration, not a finder match or a performance guarantee. The family page provides no retail SKU, UPC or variant ID for this row; the current Shop selector lists 100/200/300/500 W only.

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Finnex HMC-series aquarium heater, remote sensor and digital controller components; exact wattage is not identified.Official image · HMC series; not wattage-specific

Finnex · Model reference

Finnex HMC-500S 500 W Titanium Aquarium Heater

Finnex’s HMC family table lists HMC-500S at 500 W for 100–125 US gallons, with a 15.1-inch tube, 4.17 A at the stated 110 V reference, and 68–92°F control. This is a reference-only manufacturer configuration, not a finder match or a performance guarantee. The current official Shop record assigns SKU HMC-500S and Shopify variant ID 51471028486443 with null UPC.

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Finnex HMC-series aquarium heater, remote sensor and digital controller components; exact wattage is not identified.Official image · HMC series; not wattage-specific

Finnex · Model reference

Finnex HMC-50S 50 W Titanium Aquarium Heater

Finnex’s HMC family table lists HMC-50S at 50 W for 10–20 US gallons, with a 6-inch tube, 0.45 A at the stated 110 V reference, and 68–92°F control. This is a reference-only manufacturer configuration, not a finder match or a performance guarantee. The family page provides no retail SKU, UPC or variant ID for this row; the current Shop selector lists 100/200/300/500 W only.

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