The Rheem Diffuser Tube (AP21903) is designed to optimize water flow in your Rheem water heater. This essential component ensures even distribution of water, enhancing heating efficiency and performance. Constructed from durable materials, it meets industry standards for reliability and longevity. The diffuser tube's precise dimensions ensure compatibility with various Rheem models, making it an ideal replacement part. Improve your water heating system's efficiency and performance with this essential diffuser tube.
