Hi, How can I tell if my Eberspacher heater is compatible with this EasyStart Pro controller? Is there a marking on the heater that can tell me? Thanks

Question

Hi, How can I tell if my Eberspacher heater is compatible with this EasyStart Pro controller? Is there a marking on the heater that can tell me? Thanks

This question is related to Eberspacher EasyStart PRO for Airtronic S2 S3 M2 & Hydronic S3 12v 24v Heaters | 221000352200.

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Answers (1)

Answered by Butler Technik's Artur Ujma
Posted 11th June, 2026 at 09:41 by Artur Ujma

Good morning, I hope you're well. Could you please specify what heater model you're using?

This controller is compatible with the following heaters:

  • Eberspacher Airtronic S3 (D2L)
  • Eberspacher Airtronic S2 (D2L)
  • Eberspacher Airtronic M2 (D4L)
  • Eberspacher Hydronic S3

It is not compatible with Eberspacher Airtronic D2, D4, D4S, D5 or the Hydronic D4W, D5W series heaters.

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