Get to Know the Sunster Diesel Heater Mainboard and Compatible Switch Models

Get to Know the Sunster Diesel Heater Mainboard and Compatible Switch Models

At Sunster, we’re committed to providing reliable and efficient heating solutions for those on the road or off the grid. Whether you're a camper, truck driver, RV enthusiast, or working outdoors in cold weather, our diesel heaters deliver consistent warmth and performance.

One of the most critical components of any diesel heater is the mainboard, which works in tandem with various types of control switches. In this post, we’ll give you a quick overview of the Sunster diesel heater mainboard and share the list of compatible switch models to ensure optimal performance and easy maintenance.


Sunster Diesel Heater Mainboard – Key Features

Our advanced Sunster mainboard is the core of the diesel heater, offering precise control, safety features, and long-lasting performance. Key highlights include:

Smart Temperature Regulation:

Automatically adjusts output based on target temperature for comfort and efficiency.

Stable Power Management:

Handles both 12V and 24V inputs with robust surge protection.

Error Detection System:

Displays error codes clearly for quick troubleshooting.

Wide Compatibility:

Works with a range of switch styles—manual, LCD, and remote-controlled.


Compatible Switch Models

The following switch models are fully compatible with Sunster diesel heater mainboards:

S-A2173 

S-A2174 

S-A2172 

S-A2171 

S-A2017

S-A2019 

S-A2170 

S-A2018 

S-A2018G 

S-A2022 

💡 Note: If you are replacing your current switch or upgrading your diesel heater system, please ensure that both the voltage (12V/24V) and model compatibility are matched correctly to avoid system errors.


Why Compatibility Matters

Using the wrong switch can result in improper heating behavior or communication errors between the switch and the heater. By sticking to officially supported Sunster-compatible switches, you ensure:

  • Proper power communication

  • Full feature functionality

  • Longer heater lifespan

  • Easier troubleshooting and support


Need Help?

If you're unsure which switch suits your diesel heater model, feel free to reach out to our support team or visit our website for assistance.


Sunster – Bringing Comfort Wherever You Go.

Let us help you stay warm, wherever your journey takes you.

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