Grohe Shower Cartridge - 19.05mm - Starlight Chrome

A thermostatic cartridge mixes hot and cold water to maintain a set temperature, automatically adjusting to prevent sudden changes in heat.

This cartridge is for GROHE showers requiring a 19.05mm (3/4") size. Check your existing cartridge or shower valve for these specifications. Consult a plumber if unsure.

Starlight Chrome is GROHE's proprietary finish, known for its durability, scratch resistance, and long-lasting shine.

While the cartridge itself may not include extensive instructions, it is a genuine GROHE part. It is recommended to consult the original shower valve installation manual or a professional plumber for installation guidance.

This cartridge is covered by a 5-year manufacturer's warranty against manufacturing defects.

Installation is best performed by a qualified plumber to ensure correct function and to maintain the manufacturer's warranty.

Replacement frequency depends on water quality and usage. Signs of wear include inconsistent temperatures or difficulty operating the valve. Regular cleaning can extend its lifespan.

Check for limescale buildup on the cartridge. Ensure the cartridge is correctly seated and that the water supply lines are not blocked. Professional inspection may be required.

Clean the showerhead for blockages. Inspect the cartridge and valve for debris or limescale. Ensure the main water supply is fully open.

Ensure the valve body is clean and free of debris. Lubricate moving parts with a silicone-based plumber's grease if recommended by the manufacturer. Professional assistance may be needed.