Webasto Heater Controller Rheostat 12V or 24V 

Built in operations LED & Diagnostic fault code indicator | Suitable for 12V or 24V heaters | Comfortable temperature control | Replaces 83052B rheostat

Compatible with these Webasto Air Heaters:

• Airtop 2000, 
• Airtop 2000S & ST version
• Airtop 3500,
• Airtop 5000 & ST version 
• Airtop EVO 3900
• Airtop EVO 5500
• Airtop EVO 40 & 55

Cross reference: 828.19B - 83052B - 830.52B - 5010068A - 1322581A