This boiler cap with safety lock pressure release valve is a replacement part for Karcher steam cleaners and is compatible with the SC2500, SC4, and SC5 series. Sold as a 1 pack, it is designed to restore proper boiler sealing and pressure control. Key benefits Enhances safety by incorporating a safety lock pressure release valve to prevent overpressure during operation. Replaces a worn or damaged boiler cap to restore a secure seal and maintain steam performance. Helps prevent steam leaks and loss of efficiency by ensuring reliable pressure management. Easy to install as a direct replacement part, minimizing downtime and maintenance effort. Key attributes Compatibility: Karcher SC2500, SC4, and SC5 series steam cleaners. Functionality: boiler cap with integrated safety lock pressure release valve for reliable pressure control. Size/fit: designed to fit standard boiler cap connections on the listed Karcher models. Material: not specified by the listing. Performance: supports safe operation by preventing overpressure and ensuring a proper seal. Packaging: 1 PACK. Use cases and applications Replacing a damaged or missing boiler cap on a SC4 or SC5 series steam cleaner to restore proper sealing and pressure control. Servicing or maintaining a SC2500 steam cleaner to ensure safe operation and prevent steam leaks. Routine replacement during maintenance to keep the boiler system operating efficiently and securely. How to use (brief) Remove the old boiler cap and with this cap, ensuring the safety lock valve is engaged and the cap is seated securely. Confirm the unit operates normally with no leaks and maintain safe pressure during operation.