For an Airtronic M D4 Plus (H-KIT) the best controller with display and fault clearing options. Which model do you recommend? Sincerely, Patrick

Bonjour, Je possède un airtronic M D4 plus ( H-KIT ) et souhaite installer un contrôleur (avec options affichage ET effacement défaut). Quel modèle me proposez vous ? Cordialement Patrick !

Question

For an Airtronic M D4 Plus (H-KIT) the best controller with display and fault clearing options. Which model do you recommend? Sincerely, Patrick Bonjour, Je possède un airtronic M D4 plus ( H-KIT ) et souhaite installer un contrôleur (avec options affichage ET effacement défaut). Quel modèle me proposez vous ? Cordialement Patrick !

This question is related to Eberspacher Easystart Select controller Airtronic or Hydronic heater | 221000341300.

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Answers (1)

Answered by Butler Technik's David Butler
Posted 24th February, 2026 at 14:20 by David Butler

The Easystart Select has a display and error code reading so would be a good solution for your Airtronic M D4 Plus (H-KIT).

Maybe also the Easystart T would be a solution if you wished for a timer function

https://www.butlertechnik.com/technical-library/eberspacher-easystart-t-7-day-timer

Both controllers would require replacement of the existing heater harness plug and electric terminals ( these are included within the box)

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