The 75 cm Tourelle shares its vault design, thermostat class and door hardware with the Château range ovens, built for installation at eye level rather than inside a range body. As with the smaller 60 cm size, a temperature or baking complaint is diagnosed against measured cavity temperature rather than any display, since none is […]

A gas-fired La Cornue vaulted oven that lights and then goes out again after a few minutes is the classic sign of a worn safety thermocouple — a small, inexpensive part that people often live with for years before booking a repair.

A chip in the enamel of a La Cornue vaulted oven usually looks worse than it is. A hardened or flattened door seal is a different story, because the vault depends on it far more than a flat-roofed oven does.

When a La Cornue vaulted oven starts baking differently than it used to, the cause is very often a mechanical thermostat that has drifted — and the drift is not always the same amount at every setting.