The Z-Flex Z-Vent 5" Flashing is designed to provide exceptional weather protection where the vent penetrates the roof, making it ideal for tankless water heaters and boilers. It accommodates roof pitches from 5 to 30 degrees (0/12 to 5/12 slope), ensuring a versatile and secure fit. Featuring 5 switches and 3 dimmers, this flashing offers enhanced control and flexibility. The Model 2SVSFA05 is built for durability and long-lasting performance, providing a secure and weatherproof seal for both residential and commercial applications. Trust Z-Flex for reliable and efficient venting solutions.