{"product_id":"vatalley-submersible-fish-tank-heater-200w-300w-500w-for-20-40-gallons-led-display-auto-off-water-protection","title":"Vatalley Submersible Fish Tank Heater – 200W\/300W\/500W for 20-40 Gallons, LED Display, Auto Off-Water Protection","description":"\u003ch2\u003eReliable heat for your aquarium, crafted for everyday care\u003c\/h2\u003e\n\u003cp\u003eThe Vatalley Submersible Fish Tank Heater is designed to keep your 20-40 gallon setup comfortably warm with consistent, human-safe temperatures. Built with a high-durability ABS shell and a quartz glass heating element, it delivers sturdy performance for both freshwater and saltwater tanks, from community setups to nano habitats and betta displays.\u003c\/p\u003e\n\u003cp\u003eIn everyday use, you’ll appreciate the clear data on the Digital LED Controller. It shows the current water temperature and the set temperature in the range of 59℉–95℉, with an accuracy of ±1°F. The visible heating indicator helps you know when warmth is actively being applied, without guessing.\u003c\/p\u003e\n\u003ch3\u003eSmart safety that respects your tank and its inhabitants\u003c\/h3\u003e\n\u003cp\u003eThe heater includes important protections so you can observe without worry. It automatically shuts off when the target temperature is reached, and it will buzz and power off if the water's temperature risks climbing too high (up to 97℉). It also powers off automatically when removed from the water surface, helping prevent dry-running situations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic shut-off at target temperature with an audible alert\u003c\/li\u003e\n  \u003cli\u003eOff-water protection to prevent dry runs\u003c\/li\u003e\n  \u003cli\u003eClear heating indicator for quick status checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThree modes that help balance warmth and energy use\u003c\/h3\u003e\n\u003cp\u003eChoose from modes designed to balance performance with efficiency. Precision mode starts heating when the water drops just 1°F below the set point. Energy-saving mode waits until the water is about 2°F below the target. A standard heat-to-temp mode then settles into standby after reaching the set temperature.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision mode — begins heating when the water is 1°F below the set temp\u003c\/li\u003e\n  \u003cli\u003eEnergy-saving mode — begins heating when the water is 2°F below the set temp\u003c\/li\u003e\n  \u003cli\u003eHeat-to-temp and standby mode — reach target, then maintain\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned to support diverse tanks, this heater works in 20-40 gallon volumes and handles both freshwater and saltwater environments. It’s well-suited for nano tanks, betta setups, and small ponds or markets where reliable temperature control matters. A 12-month quality guarantee provides added confidence, and customer support is available if you encounter any issue.\u003c\/p\u003e\n\u003cp\u003eExperience calm, steady warmth with clear feedback from the LED display—no surprises, just reliable monitoring and gentle, consistent heat for your aquatic life.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tank size is the Vatalley Submersible Fish Tank Heater designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for 20-40 gallon tanks, freshwater or saltwater, with auto shut-off and alarm features.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the energy-saving mode work on this heater?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Heating starts when the water is 1–2°F below the set temp depending on mode, then maintains the target temperature.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Vatalley","offers":[{"title":"Default Title","offer_id":53549861339465,"sku":"B0DSJNKYRS","price":40.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/vatalley-submersible-fish-tank-heater-200w-front-view.jpg?v=1766227401","url":"https:\/\/petvita.co.uk\/products\/vatalley-submersible-fish-tank-heater-200w-300w-500w-for-20-40-gallons-led-display-auto-off-water-protection","provider":"Petvita","version":"1.0","type":"link"}