Pawfly 50 W Submersible Aquarium Heater, 5-10 Gallon Fish Tank Heater Betta Heater with Overheating Protection & Digital Display External Controller, Submersible Fish Tank Heater Small Aquarium Heater

Product description

Package Dimensions ‏ : ‎ 7.95 x 4.02 x 2.36 inches; 11.99 ounces
Item model number ‏ : ‎ 4700
Date First Available ‏ : ‎ January 16, 2026
Manufacturer ‏ : ‎ Pawfly
ASIN ‏ : ‎ B0GH68HY4D
Best Sellers Rank: #131,000 in Pet Supplies (See Top 100 in Pet Supplies) #236 in Aquarium Heaters
Customer Reviews: 4.6 4.6 out of 5 stars (32) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Stable & Efficient Heating: Specialized nickel-chromium wires with magnesium oxide filling heat your 5-10 gallon tank efficiently within the 59-95 °F (15-35 ℃) range. Fast warming with precise auto-shutoff at your exact setting keeps fish perfectly comfortable
Precision Temperature Control: Dual sensitive temperature sensors inside the submersible aquarium heater deliver ±1 °F (±0.6 °C) accuracy – a cozy aquatic environment guaranteed. The safety shutoff at 96 °F (36 ℃) prevents overheating that could harm your fish
Enhanced Security: Robust construction handles daily submersion! Explosion-proof quartz glass tube inside ABS housing creates double protection. Smart water detection triggers auto-shutoff if the submersible fish tank heater is exposed – no dry-run damage
Ingenious External Controller: Bright LED digital display shows real-time power, water temperature, and operation status clearly. One-button temperature setting lets you make adjustments instantly while monitoring your betta heater’s performance
Ultimate Convenience: Smart memory function saves the small aquarium heater’s settings through power outages. 5.9 ft (1.8 m) cable with 2 suction cups enables flexible placement in any tank setup, while the detachable design makes thorough cleaning effortless