Gas water heater pilot lights but will not stay lit when the gas control knob is released.

Safety: Turn gas control knob to OFF and wait several minutes before relighting.

• 1. Observe pilot flame: Flame should be steady and contact the thermocouple/thermopile tip. If small or lifting, clean the pilot orifice and ensure proper gas pressure.
• 2. Tighten connection: Snug the thermocouple nut at the gas control valve; do not overtighten.
• 3. Check for drafts: Ensure no strong drafts or fans are blowing on the heater.
• 4. Replace thermocouple/thermopile: If the pilot still will not stay lit, replace the thermocouple or thermopile assembly.