Sunster GSM / LTE 4G/5G Switch with B249 Smart Motherboard (12V/24V)
🇩🇰 Danish support before and after purchase
🚚 Fast delivery within Denmark
🔄 30-day return policy
Description
The Sunster GSM / LTE 4G/5G Switch with B249 Smart Motherboard is an advanced control solution for diesel heaters, giving you full control over your heating system – no matter where you are.
The system combines modern remote control via mobile networks and Bluetooth with intelligent temperature control and stable operation. It is an ideal upgrade for boats, motorhomes, and off-grid installations where comfort and flexibility are essential.
With this kit, you can start, stop, and monitor your diesel heater directly from your smartphone – both locally and globally.
⚡ Advantages
- Remote control via GSM / LTE 4G/5G and Bluetooth
- Full control set with both display and motherboard
- Stable and precise temperature control
- Suitable for boats, campers, and off-grid solutions
- Easy integration with existing diesel heaters
- Reliable solution for demanding environments
⛵ Suitable for
- Boats and sailboats
- Motorhomes and caravans
- Service vehicles and vans
- Off-grid installations
- Upgrading existing diesel heaters
📊 Specifications
| Model | S-A2466 Switch + B249 Smart Control |
| Voltage | 12V / 24V |
| Connection | GSM / LTE 4G/5G + Bluetooth |
| Display | Digital LCD |
| SIM card | Nano-SIM (not included) |
| Remote control | Yes – via app and mobile network |
| Functions | Start/stop, temperature control, timer, ventilation |
| Compatibility | Universal diesel heaters (Chinese heaters) |
| Operation | Stable in both cold and high altitudes |
🔧 Installation
Installation requires proper connection to the diesel heater's control unit. Check compatibility with your existing system and ensure correct power supply and component placement. Always follow the applicable installation guide.
💡 Tip from SejlStrøm
This kit is an obvious upgrade if you want to be able to start your heater before you arrive at the boat. Combine with correct power supply and cables for a stable installation.