ORCA 200W Heater Reliable fully submersible aquarium heater for stable temperature control in medium-sized aquariums Quick Facts Product type: Aquarium heater Listed size / rating: 200W Selected option: Check the chosen variant before ordering. Primary use: Aquarium heater Is this for you? ✔️ Perfect if: The wattage suits actual water volume and room temperature. The stated operating range matches the livestock. You can install it with reliable water circulation. ❌ Consider something else if: You are selecting wattage from tank length alone. The heater cannot remain in its required water position. You need cooling or a controller function this model does not provide. Why choose ORCA 200W Heater? This listing identifies the exact product, size and intended role so it can be checked against your setup before purchase. The best result comes from following the current packaging or manufacturer instructions for this specific item. Key Benefits Provides the heating function and rating shown in the listing. Can be matched to aquarium volume and ambient conditions. Supports stable temperature when correctly positioned. Specifications Product type: Aquarium heater Listed size / rating: 200W Use the selected variant and current product packaging as the final reference for measurements, contents and directions. What's included? One ORCA 200W Heater in the selected wattage or model. Only mounts or controller components explicitly listed. A separate thermometer is not included unless stated. Setup & Use Confirm wattage, voltage, immersion requirements and aquarium volume. Position it where water circulates around the heater. Allow it to acclimatise as the instructions require before powering. Verify the result with a separate thermometer. Maintenance Unplug before water changes or removal. Inspect the cable, casing and mounts regularly. Remove mineral deposits using manufacturer-approved methods. Pairs perfectly with A separate aquarium thermometer. A heater guard where appropriate. Reliable water circulation. A temperature controller if compatible. NTA Insight: Room temperature and heat loss matter. Two aquariums of the same volume may need different heating capacity. Before You Buy Compatibility: Confirm the exact model, voltage, dimensions, fittings and operating range that apply. Installation: Check space, placement, cable or tubing routes and access for maintenance. Included parts: Verify every required mount, fitting, media item or controller is supplied or available separately. FAQ What size aquarium will it heat?Use the manufacturer’s chart with actual water volume and the difference between room and target temperature. Is it fully submersible?Only if the model instructions explicitly state that it is. Why use a separate thermometer?It confirms real water temperature independently of the heater setting. Can I switch it on out of water?No. Follow the minimum water-level and cool-down instructions.