{"product_id":"hanleshuka-200w-aquarium-heater-for-20-40-gallons-auto-shut-off-safety-features","title":"HANLESHUKA 200W Aquarium Heater for 20-40 Gallons — Auto Shut-Off \u0026 Safety Features","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eDesigned for 20-40 gallon tanks, the HANLESHUKA 200W Aquarium Heater is fully submersible and compatible with freshwater, saltwater, and brackish setups. Its compact, durable design blends with most aquariums while providing steady warmth that supports a calm, healthy aquatic environment. Easy setup means you can focus more on observing your fish and turtles and less on temperature tweaks.\u003c\/p\u003e\n\u003ch3\u003eSmart safety features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDry-burn prevention shuts off when the heater leaves water and restarts automatically when re-submerged, with an audible alert.\u003c\/li\u003e\n  \u003cli\u003eOverheat protection stops heating if water climbs more than 1°F above the target.\u003c\/li\u003e\n  \u003cli\u003eMax temperature stop automatically halts operation at the highest settable temperature, even if the controller malfunctions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrecise, stable heating\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExternal digital thermostat shows current temperature and target simultaneously; red indicates heating, green signals readiness.\u003c\/li\u003e\n  \u003cli\u003eIntelligent frequency conversion adjusts power for smooth, stable control, reducing temperature swings that can stress sensitive species.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSeashell guard and durable build\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSeashell-pattern ABS guard directs water flow and protects fish and turtles from hot surfaces.\u003c\/li\u003e\n  \u003cli\u003eExplosion-proof 2mm quartz glass element is built for long-term use in fresh and saltwater environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSimple setup for 20-40 gallon tanks\u003c\/h3\u003e\n\u003cp\u003eChoose wattage by tank size: 100W for 10-20 gal, 200W for 20-40 gal, 300W for 40-70 gal, 500W for 70-120 gal. Fully submersible, attach with suction cups, set temperature, and switch between °F and °C in seconds.\u003c\/p\u003e\n\u003ch3\u003eUsage notes\u003c\/h3\u003e\n\u003cp\u003ePractical design supports routine maintenance and water changes, with clear indicators and audible alerts to simplify monitoring without constant checking.\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: Is this heater suitable for both freshwater and saltwater tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is fully submersible and designed for freshwater, saltwater, and brackish setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What safety features does the HANLESHUKA 200W heater offer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Dry-burn prevention, overheat protection, max temperature stop, and audible alarms protect your tank.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HANLESHUKA","offers":[{"title":"Default Title","offer_id":57202333909369,"sku":"B0DL5HV2ZD","price":35.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/hanleshuka-200w-aquarium-heater-submersible.jpg?v=1777815655","url":"https:\/\/petlyvox.com\/products\/hanleshuka-200w-aquarium-heater-for-20-40-gallons-auto-shut-off-safety-features","provider":"petlyvox","version":"1.0","type":"link"}