No.3 Ensure your Potterton Profile boiler is functioning at its best with this genuine flue elbow gasket, part number 225091. Designed specifically for the Prima 30E, 40E, 50E, 60E, 80E, and 100E models, this replacement gasket is a crucial component for maintaining the integrity of your heating system. Crafted with precision in the United Kingdom, this boiler part is not a domestic product and has not been modified, ensuring compatibility and reliability. It's a straightforward solution to keep your boiler running efficiently, preventing leaks and ensuring a snug seal.