Grohe Universal Pressure Balance Valve Cartridge - 47080Grohe Universal Pressure Balance Valve Cartridge 47080 Pressure balance cartridge designed to regulate water temperature and maintain consistent flow in GROHE shower systems. Features Universal pressure balance cartridge for GROHE systems Maintains consistent water temperature by balancing hot and cold pressure Helps prevent sudden temperature changes during use Designed for GROHE 35. 000 series and similar valves Improves safety and comfort in shower