- Safety Pressure Relief System: This maintenance closure functions as both a relief valve and protective shutter for Karcher steam cleaners, automatically releasing excess steam when pressure exceeds safe levels, helping to prevent hazards during operation and maintain optimal working conditions. - Compatible with multiple models: Specifically designed for Karcher 2.500, 2.600, 4, 5, 5.800, 6.800, 2500C, 4.100, and 5.800C steam cleaning equipment, providing a seamless fit and proper functionality with your existing setup. - Easy installation and maintenance: The filling cap features straightforward installation in both steam cleaners and ironing stations, allowing for quick maintenance with minimal downtime and keeping your cleaning routine uninterrupted. - Quality construction: Black maintenance closure (part number 4.580-760.0) is built with robust materials to withstand regular use and high temperatures, offering long lasting performance throughout your cleaning tasks. - Use scenarios: - During daily steam cleaning tasks, the relief system automatically vents excess pressure to reduce risk of overpressure and unexpected shutdowns. - Retrofit across multiple Karcher units in homes or small businesses to standardize safety components and simplify maintenance. - In ironing stations with steam cycles, provide safe operation during high temperature steam tasks without interrupting workflow.