If combined with  Eberspacher Hydronic S3 D5E, a heater matrix (e.g. 41T0034) and plate heat exchanger (e.g. 24PLATEKITV2), will the Easy Start PRO control both closed loop coolant and heater matrix output? One control panel does it all for both hot water and air heating? Would this be a resonable setup to get both hot water and inside air heating for a small camper? Regards, Carl

Question

If combined with  Eberspacher Hydronic S3 D5E, a heater matrix (e.g. 41T0034) and plate heat exchanger (e.g. 24PLATEKITV2), will the Easy Start PRO control both closed loop coolant and heater matrix output? One control panel does it all for both hot water and air heating? Would this be a resonable setup to get both hot water and inside air heating for a small camper? Regards, Carl

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 David Butler
Posted 22nd December, 2025 at 16:36 by David Butler

The Eberspacher Easystart Pro is not designed to control ambient room temperature by switching the S3 D5E water heater OFF and ON. The heater unit should be allowed to maintain a constant coolant temperature via referencing it's own internal coolant temp sensors - room temperature is then controlled via an additional room thermostat switching device that switches the heater matrix blower motor off/on according  a user set temperature

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