The Characterization Plug for HPWH (Heat Pump Water Heater) by Rheem MFG is designed for efficient water heating applications. This plug is essential for ensuring optimal performance and compliance with industry standards. Made from durable materials, it fits seamlessly into Rheem's HPWH systems, providing reliable operation. Its compact design allows for easy installation and maintenance, making it a vital component for both residential and commercial setups. Ideal for technicians and installers, this plug enhances the functionality of Rheem's water heating solutions.