What's Included
- Gas burner port deep cleaning and cap alignment
- Gas manifold pressure verification with calibrated manometer
- Spark ignition system test across all burners
- Induction zone output and cookware detection verification
- Touch control panel cleaning and function test
- Brass control knob inspection and tightening
- Written maintenance report after every visit
La Cornue cooktops — whether the brass-knobbed gas version or the touch-controlled induction model — benefit from annual maintenance that keeps the burner ports clear, the ignition circuits reliable, and the control systems functioning as designed.
La Cornue Gas Cooktop Maintenance
Gas cooktops accumulate food debris and grease in their burner port system over time, even with careful cleaning by the homeowner. Annual maintenance addresses the components that the homeowner cannot easily reach:
- Burner port deep cleaning: each burner cap is removed and soaked in degreaser; burner ports are cleared of any restriction using appropriate service tools. Restricted ports are the most common cause of weak flames and uneven combustion.
- Gas manifold pressure check: supply pressure verified at the cooktop manifold with a calibrated manometer to confirm it is within La Cornue's specification. Pressure deviations affect combustion quality and gas valve longevity.
- Ignition system test: spark is verified at every burner electrode; clicking speed and gap are assessed. Electrode condition is noted and replacement recommended where wear is found.
- Combustion quality check: each burner is run at low, medium, and high to confirm a clean blue flame with no yellow tips or excessive soot.
- Brass hardware inspection: control knobs checked for secure seating; any corrosion or wear on brass fittings noted.
La Cornue Induction Cooktop Maintenance
Induction cooktops have fewer moving parts than gas models but benefit from periodic verification that the zone electronics and control system are functioning correctly:
- Zone output verification: each induction zone is tested for consistent power delivery at low, medium, and maximum settings.
- Cookware detection test: zone response to compatible cookware is verified; any zone that requires multiple placement attempts is flagged for further investigation.
- Touch panel cleaning and test: panel surface cleaned with appropriate non-abrasive cleaner; all touch zones verified for correct response.
- Cooling fan inspection: where applicable, cooling fan operation is verified to prevent overtemperature faults during extended cooking sessions.
Transparent Pricing
La Cornue Cooktop maintenance visits start from $135. Combined cooktop and rangetop visits are discounted.