The RHEEM MFG COMPANY Panel Window is an essential component for your water heater, providing visibility and access to internal components. Constructed from durable materials, this panel window is designed to withstand high temperatures and ensure safety during operation. Its precise dimensions ensure compatibility with various RHEEM models, making it easy to install. This panel window not only enhances the functionality of your water heater but also contributes to its overall efficiency. Upgrade your system with this reliable panel window for improved access and performance.