{"product_id":"20w-preset-aquarium-heater-small-fish-tanks","title":"KSY Aquatics 20W Preset Aquarium Heater for Small Fish Tanks","description":"\u003ch2\u003ePreset Warmth for Small Aquariums\u003c\/h2\u003e\n\u003cp\u003eDesigned for small aquarium setups, this compact 20W heater is preset to 26°C \/ 78.8°F, providing automatic temperature control without a manual adjustment dial. It is recommended for aquariums from 5–10 L \/ 1.3–2.6 US gal.\u003c\/p\u003e\n\n\u003ch2\u003eNo Manual Temperature Adjustment\u003c\/h2\u003e\n\u003cp\u003eThe built-in thermostat automatically manages heating around the preset temperature. A red indicator shows when the heater is actively heating, while a green indicator lets you know when it is maintaining warmth.\u003c\/p\u003e\n\n\u003ch2\u003eCompact and Fully Submersible\u003c\/h2\u003e\n\u003cp\u003eWith a body length of just 4.92 in \/ 12.5 cm, the heater takes up minimal space in small tanks. The IPX8 fully submersible design can be installed vertically or horizontally using the suction cup mount and is suitable for both freshwater and saltwater aquariums.\u003c\/p\u003e\n\n\u003ch2\u003eSimple Setup for Everyday Use\u003c\/h2\u003e\n\u003cp\u003ePlace the heater fully below the waterline in an area with good water circulation, then connect it to a compatible 100–120V power supply. Always unplug the heater before water changes, cleaning, removal, or maintenance.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eKSY Aquatics\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePreset Aquarium Heater\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e20W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e100–120V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePlug Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eUS Plug\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePreset Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e26°C \/ 78.8°F\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e±2°C \/ ±3.6°F\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRecommended Tank Volume\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e5–10 L \/ 1.3–2.6 US gal\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eBody Length\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e12.5 cm \/ 4.92 in\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Cord Length\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1.5 m \/ 4.92 ft\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eIPX8 \/ Fully Submersible\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eIndicator Light\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRed: Heating \/ Green: Keeping Warm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCarbon Fiber Plastic\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWater Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eFreshwater \u0026amp; Saltwater\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSuction Cup\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"KSY Aquatics","offers":[{"title":"Default Title","offer_id":67586330263688,"sku":null,"price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4620\/1224\/files\/ksy-aquatics-20w-preset-aquarium-heater.png?v=1790741596","url":"https:\/\/ksyaquatics.com\/products\/20w-preset-aquarium-heater-small-fish-tanks","provider":"KSY Aquatics","version":"1.0","type":"link"}