The Kit-Extension Fields PEK 46165600 features an 8-inch vent diameter, designed specifically for Bradford White water heaters. This extension kit allows for flexible venting solutions, ensuring compliance with ANSI and UL standards. Constructed from durable materials, it provides excellent resistance to environmental factors, enhancing the longevity of your heating system. The kit includes all necessary components for installation, making it a convenient choice for service technicians. Ideal for high-altitude applications, this extension kit ensures optimal performance and safety.