Eheim Replacement Transformer for Professional 3e 2076 & 2078 (7212538) The Eheim Replacement Transformer (7212538) is a genuine OEM power supply unit designed exclusively for the Eheim Professional 3e 450 (2076) and Eheim Professional 3e 700 (2078) electronic external canister filters. The transformer supplies the low-voltage power required to run the electronic control system of these filters, including flow rate adjustment, timer functions, and USB connectivity. If your filter's electronic controls are unresponsive or the unit fails to power on, a faulty transformer is one of the most common causes. Replacing with a genuine Eheim OEM transformer ensures full compatibility and restores your filter's electronic functions to factory specification. Key Features Genuine Eheim replacement part: Exact OEM fit for Professional 3e 2076 and 2078 — ensures full electronic compatibility and safe operation Powers the filter's electronic control system: Supplies low-voltage power for flow adjustment, timer programming, and USB interface functions Direct plug-in replacement: Designed for straightforward installation with no modifications required OEM quality: Manufactured to Eheim's standards for safety, durability, and long service life Essential spare part: A faulty transformer is one of the most common causes of electronic control failure on Pro 3e filters Compatibility Compatible with: Eheim Professional 3e 450 (2076) Eheim Professional 3e 700 (2078) Eheim Professional 4e 350 (2274) Not compatible with: Standard (non-electronic) Eheim Pro 3 models or other Eheim filter ranges Product Details Brand: Eheim Product Code: 7212538 Type: Replacement Transformer / Power Supply Compatibility: Eheim Professional 3e 2076 / 2078 / 2274 Quantity: 1 unit This replacement transformer is suitable for any aquarium keeper running an Eheim Professional 3e 2076 or 2078 electronic canister filter who needs to restore full electronic control functionality to their filter.
