The Burner Assembly (NG) for Rheem RTG20074AT is specifically designed for natural gas applications, ensuring efficient and reliable performance. Constructed from durable materials, this assembly guarantees longevity and optimal combustion efficiency. It is compatible with various Rheem tankless water heater models, making it a versatile choice for replacements. The assembly is engineered to meet industry safety standards, providing peace of mind during operation. Ideal for both residential and commercial settings, this burner assembly is essential for maintaining the efficiency of your Rheem water heating system.