


Aquatop Submersible Glass Aquarium Heater 300 Watt
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Aquatop Submersible Glass Aquarium Heater 300 WattMaintain constant and stable temperatures for your aquatic creatures to thrive with AquaTops GH 50W aquarium heater. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups and can handle aquariums up to 13 gallons. With the highly visible temperature setting, the GH 50W is easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob. This powerful aquarium
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- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 752 reviews
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Product Reviews
★★★★★ 5
Functioned as advertized.
Installed these in my Whalers 96 200 Offshore. No issues, used permatex gasket compound on aluminum engine parts after cleaning with fine brass wire wheel.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 20, 2024
★★★★★ 5
Fits 1988 Sea Ray V-135 2 stroke (Mercury)
For those of you with the 135 hp
mercury that was branded as the "Sea Ray 135" and paint matched to the boat (i.e. Seville's and some others) this is the 147 degree thermostat for that motor. My Seville is an '88 and It's difficult to cross reference the serial numbers on those motors when searching for parts. Only buy Quicksilver parts for these motors. Happy to find them on Amazon because Boats.net as an example, is not clear on what you're getting.
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Reviewed in the United States on August 3, 2024
★★★★★ 5
fixed issue
stopped the overheat issue on my outboard!!!
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Reviewed in the United States on August 6, 2025
★★★★★ 5
Carries all the current I want. Super flexible, great price
Size: 8 AWG 3 ft per color, Color: Red and Black
Very nice high quality. Somebody tried to tell me this was aluminum strands. But after test sanding an exposed end, I could see copper color. I believe the confusion is they are individually tinned strands? 🤷 Just sayin...
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Reviewed in the United States on June 28, 2025
★★★★★ 5
good quality.
Size: 8 AWG 3 ft per color, Color: Red and Black
The wire worked very well for my project.
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Reviewed in the United States on April 22, 2024