Description
Rheem AM40139ET Water Heater Burner Assembly
The Rheem AM40139ET Burner Assembly is a genuine OEM replacement designed to restore safe, efficient heating performance in your Rheem gas water heater. This burner provides the controlled flame needed to heat water consistently while maintaining proper combustion and energy efficiency.
Over time, burners can become clogged, corroded, or damaged from heat cycles and mineral buildup. A failing burner may cause weak flame output, slow recovery times, soot formation, or ignition issues. Replacing it with the OEM AM40139ET ensures clean combustion, stable flame quality, and manufacturer‑approved performance.
Engineered to Rheem’s exact specifications, this burner assembly installs as a direct‑fit replacement and is built for long‑term durability in residential gas water heaters.
Key Features
- OEM Rheem Burner Assembly – Ensures proper flame quality and safe combustion
- Restores Heating Performance – Ideal for weak flame, slow recovery, or uneven heating
- Durable Steel Construction – Resists corrosion, heat stress, and mineral buildup
- Improves Efficiency – Supports clean, consistent combustion for optimal water heating
- Direct‑Fit Replacement – Designed for easy installation in compatible Rheem models
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | AM40139ET |
| Type | Main Burner Assembly |
| Function | Produces controlled flame for water heating |
| OEM | Yes |
| Compatibility | Select Rheem gas water heaters |
| Material | Heat‑resistant steel construction |
| Installation | Direct‑fit replacement |
Common Failure Symptoms
- Weak or inconsistent burner flame
- Soot buildup or yellow flame
- Slow water heating or poor recovery
- Burner fails to ignite
- Excessive noise during burner operation
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