Slant Fin boiler age is a crucial factor in determining its lifespan and reliability. Manufacturers, distributors, and contractors play a significant role in maintaining boiler age, with some entities receiving high scores for their expertise and practices. Entities with a score of 10 demonstrate exceptional performance in boiler maintenance, while those with a score of 9 consistently maintain boilers at a high level. Understanding the factors contributing to high scores, such as experience, maintenance practices, and customer satisfaction, can help ensure the longevity and efficiency of your Slant Fin boiler.