The Honeywell D3PAA018018NAB/U is a standard leak detection panel designed for effective monitoring in HVAC systems. This model features a width of 018 inches and a height of 018 inches, constructed from high-quality acetal material for durability and resistance to environmental factors. The panel is engineered to detect leaks promptly, ensuring the safety and efficiency of your system. Its compact design allows for easy installation in various settings, and it is compatible with a range of detection systems. The D3 panel meets industry standards for performance and reliability, making it a trusted choice for leak detection applications.