The Rheem AM39922-1 burner assembly kit is an OEM replacement designed to restore safe, reliable operation of your RG40S-40 natural gas water heater. This assembly controls and contains the pilot ignitor flame, ensuring stable ignition and proper combustion inside the tank. When the burner operates correctly, it generates consistent heat to keep your water heater delivering dependable hot water.

If your water heater is producing little to no hot water, the burner assembly may be worn, clogged, or failing to ignite. This kit includes all OEM components needed to fully replace the burner assembly and restore proper performance.

Key Features
• Controls and contains the pilot ignitor flame for safe operation
• Generates heat for consistent hot water production
• OEM replacement kit with all required burner assembly components
• Designed specifically for Rheem RG40S-40 natural gas water heaters
• Helps resolve ignition issues, intermittent heating, or no-hot-water symptoms
• Recommended to verify compatibility using your water heater’s serial number

Specifications
Part Number: AM39922-1
Type: Burner Assembly Kit
Fuel Type: Natural Gas
For Use With: Rheem RG40S-40 NG water heaters
Application: Water heater combustion and ignition system replacement