The Noritz Packing Case ESW for NR981-DVC is designed to protect and house essential components of your water heater. Made from high-quality materials, this packing case ensures durability and resistance to environmental factors. Its precise dimensions provide a snug fit for the NR981-DVC model, facilitating easy installation and maintenance. This packing case is essential for safeguarding internal components, ensuring optimal performance and longevity of your water heating system. Ideal for both residential and commercial applications, it enhances the reliability of your unit.