The Worcester 7716191091 Pitched Roof Flashing Kit is designed for outdoor installation with a tall profile. It features a black metal tank lining material that is corrosion resistant, suitable for use with a boiler heating system. The kit includes a specially designed flashing for pitched roofs, making it ideal for integrating the Worcester 7716191091 model into such roofing systems. With the Worcester brand reputation for quality, this product offers a reliable solution for providing hot water in a residential or commercial setting. New in box. Boxes may show signs of damage due to storage but item not affected.