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Availability:
IN STOCK, SHIPS IN 24 HOURS
Shipping:
Calculated at Checkout. Most in-stock orders ship from our Costa Mesa, CA warehouse the same or next business day.
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Warranty:
Products include manufacturer-backed warranty coverage. Terms vary by product and brand.
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Returns:
Eligible unused items in their original packaging may be returned within 14 days of delivery. Terms and fees may apply.
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Core Features & Benefits
Webasto / Spheros Control Unit 30 kW SG 1553 12V - Plastic Casing
⚠️ Important Notice:
This control unit is NOT compatible with HydroHot or AquaHot systems. Attempting to use it as a replacement in these systems can cause immediate failure. Successful cases were recorded with appropriate support.
If you need an ECU for an AquaHot or HydroHot system, please contact [email protected]before purchasing.
This ECU is designed only for standalone Webasto / Spheros / Valeo burners.
Replacement ECU may come marked Spheros or Webato name.
⛔️ No Returns on Electronic Parts
If your existing ECU has a metal casing, this plastic-cased unit may not be a suitable replacement without proper diagnostics and repairs from an authorized dealer.
Before replacing the ECU, ensure all wiring, continuity, and high-limit thermostats were checked by authorized personnel to prevent failure.
Unauthorized repairs or installations are at your own risk. We do not offer refunds if the unit fails due to improper diagnostics or installation.
Controller was as advertised. Fastest delivery service I have every had from any company. Absolute satisfaction.
Posted by Brian Batdorf on 9th Sep 2024
12volt control
Very happy with purchase,price was good and arrived sooner than expected
Posted by Arthur on 9th Sep 2024
fast shipping
new parts works great!!
Posted by John on 9th Sep 2024
Don't do it.
Horrible. I had my RV Mechanic install and the item is was faulty. I called and the person at the other end didn't know how to do a return. I was asked to email you. I did no response.RV Mechanic ordered another one from his supplier and it worked. Cost me double what yours did but I have a working Aqua-Hot.
Posted by Rosa Gertz on 1st Feb 2024
Aqua hot will not ignite
Very happy with the unit, came very quick, unfortunately didn’t fix the unit
Posted by Tyler Lee on 4th Sep 2023
Aqua hot 450D repair
The unit has worked perfectly
Posted by Timothy Boehm on 2nd Jan 2023
fast shipping
new parts works great!!
Posted by John on 3rd Nov 2021
Webasto Brain
Received as discribed.
Posted by JIm on 29th Mar 2021
Controller Module
I bought this unit because my Aquahot was having a problem with firing up. I installed this newer version and works great again.
