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FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085! Holiday Notice: Please be advised that we will be closed for the holidays on December 24–26, 2025, and December 31, 2025 through January 2, 2026.
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085! Holiday Notice: Please be advised that we will be closed for the holidays on December 24–26, 2025, and December 31, 2025 through January 2, 2026.

Cozy III Heat Exchanger - EXE-103-0EX

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Original price $153.47
Original price $153.47 - Original price $153.47
Original price $153.47
Current price $138.12
$138.12 - $138.12
Current price $138.12

The Cozy III Heat Exchanger is a direct replacement part used in Aqua-Hot, Hydro-Hot & Webasto hydronic heating systems to distribute interior heat within the RV. This fan-coil unit transfers heat from the system’s antifreeze to the cabin air, providing quiet and efficient comfort heating

Important Information
  • Interior Heat Distribution – Transfers heat from the Aqua-Hot system’s heated fluid to the RV’s interior air via a fan and coil assembly.
  • Compact & Efficient – Designed for installation in tight spaces such as cabinets, under furniture, or inside wall panels.
  • Quiet Operation – Equipped with a low-noise fan for efficient air movement without disrupting interior comfort.
  • Genuine OEM Replacement – Designed for perfect compatibility and optimal performance in Aqua-Hot, Hydro-Hot & Webasto heating systems.

Compatible Models

Aqua-Hot
AHE-100-00S AHE-100-01S AHE-100-02S AHE-100-03S AHE-100-04S
AHE-101-000 AHE-120-03X AHE-120-04X AHE-125-DN1 AHE-125-DN2
AHE-125-D01 AHE-125-D02 AHE-125-GN1 AHE-125-G01 AHE-125-G02
AHE-130-03X AHE-130-04X AHE-200-02S AHE-250-D01 AHE-250-D02
AHE-250-D03 AHE-250-P01 AHE-375-D01 AHE-375-D02 AHE-375-D03
AHE-375-P01 AHE-375-P02 AHE-400-D01 AHE-400-D02 AHE-400-P01
AHE-400-P02 AHE-450-DE1 AHE-450-DE2 AHE-450-DW3 AHE-450-DE4
AHE-450-DE5 AHE-450-DM1 AHE-450-DT1 AHE-525-D01 AHE-525-D02
AHE-600-D01 AHE-600-D02 AHE-600-D03 AHE-600-D04 AHE-675-D01
AHE-675-D02 AHE-675-D03 AHE-675-D04 AHE-920-431 431/11
431/11B 431/12
Hydro-Hot
HHE-200-01E HHE-200-02E HHE-200-03E HHE-200-04E HHE-200-05E
HHE-500-01M HHE-500-02M HHE-500-03M HHE-500-04M HHE-500-05M
HHE-200-06E HHE-200-07E HHE-200-08E HHE-200-09E 2001-E
HHE-500-06M HHE-500-07M HHE-500-08M HHE-500-09M HHE-102-0EE
Webasto
DBW-2010, 12V DBW-2010, 24V
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