Remeha E00.07 Fault Code
Also written as E0007 — same fault.
The Remeha E00.07 fault code means: your boiler has detected that the water returning through your radiators is too hot compared to the water it is sending out, causing the system to stop working to protect itself.. It appears on 1 Remeha model in our database.
Technical description: dTReturn Too High | Return temperature difference is too large
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Remeha models that show the E00.07 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Remeha E00.07 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026