Magnus HAWKi Smart Tank Monitor

Magnus HAWKi

The Magnus HAWKi is an award-winning, self-install radar gauge that delivers precise, real-time readings for fuel, water and other liquids - or even certain solids. Designed for quick installation and effortless use, it mounts without drilling and connects directly to your smartphone for instant access to tank information.

Highlights

• High-Precision Radar (±5 mm): Maintains accuracy in any weather and isn’t affected by condensation, temperature swings, or tank shape - outperforming typical ultrasonic sensors.
• App-Based Monitoring: Low-energy, long-range Bluetooth pairs with the Magnus app so you can check levels, set custom alerts and follow step-by-step guidance from your phone.
• Insightful Tracking: View daily consumption, analyse historical data and estimate how many days remain before the tank is empty.
• Smart Alerts: Background syncing warns you automatically of low levels, leaks or sudden changes.
• Shared Access: Give family members or colleagues the ability to view levels and receive notifications.

Technical Details

• Model: HAWKi (MM24HAWK1V1)
• Power Source: One CR123A lithium battery (included and replaceable)
• Connectivity: Bluetooth ranges up to 100 m
• Durability: IP68 weather-resistant casing for outdoor or underground tanks

Key Features

• Tool-Free Installation: Attach with the supplied 3M adhesive or fit into a standard 32 mm port—no drilling or specialist tools needed.
• Low Maintenance: Simple magnet swipe to activate and easy battery replacement.
• Flexible Use: Works with heating oil, water, AdBlue® and other compatible liquids and solids.

Stay in control of your tank levels with a monitor trusted by thousands of users and built to meet future smart-home standards.

Our shipping costs cover most of the UK - however, parts of England, Scottish Highlands and Islands including areas north of the Glasgow / Edinburgh border, Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly, Northern Ireland and the Republic of Ireland may cost more.

Please call before ordering if the delivery postcode is listed below. There may be additional shipping costs. AB, BT, CA, CT, DD, DG, EH, FK, G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30-41 (Isle of Wight), SA, SY, TD, TN, TR, ZE Southern Ireland

Our lead times should only be used as a guide and are subject to change.

Offloading

Unless a hi-ab delivery has been booked at additional cost, it is the customer's responsibility to offload with suitable equipment on the day of delivery and a failed delivery may result in additional charges.

We recommend installers and/or plant hire & materials to install such as excavators, aggregates etc are not booked until you are in receipt of the goods. Tanks Direct cannot be held responsible for costs incurred due to unforeseen delays, please see our terms for more details.

HIAB

HIAB delivery will be required if you need the tank offloaded from the delivery vehicle. The driver will unload the tank from the vehicle to ground level, however this service is not to place the tank in situ, this will need to be arranged separately.

If you have any questions regarding your delivery, please contact the Sales Team on 01643 703358.

Please note - Certain items may not be returnable, for example those made to order or for sanitary reasons. Please check the product page for more information.

Customers may return items within 14 calendar days (as per our Terms & Conditions) - refer to section 7. **

All Items must be returned unused, refunds cannot be issued for used or previously installed items.

Please be aware that returning a tank can be complicated and expensive, so please check that you are ordering the correct item (we suggest checking the dimensions very carefully).

If you wish to return goods, please complete the form on this page to provide further information.

Once your request is approved, a valid Returns Authorisation Number (RAN) will be issued to initiate the returns process along with information on how & where to return your order along with any costs involved.

Please DO NOT return any goods without this authorisation. Goods cannot be accepted without this.

Returns are not accepted at our Minehead Office, please wait until we contact you before returning any goods.

View Tanks Direct's return policy now.