Grohe Servo Discharge Valve 42137000

The Grohe 42137 000 DAL Single Flush Valve Assembly is a pre-assembled discharge valve designed for use with Grohe concealed cisterns that operate with a single flush push button. It includes a 43544 piston and seals, and is supplied as a 270mm assembly that can be trimmed to fit the cistern. This valve is intended to replace or upgrade a servo discharge valve in compatible toilet systems and is compatible with Grohe sanitaryware products. It is described as durable and reliable, offering easy installation and consistent water flow. If your toilet is not flushing properly, or if the cistern is leaking into the pan, replacing the discharge piston (43544 000) is suggested as a potential resolution. The unit is a genuine Grohe product and comes with the manufacturer’s guarantee. A taller version of a similar part is available as 43486 000 for reference. For optimal performance, ensure the bellows and button are functioning before purchasing.

Key features

• For Grohe concealed cisterns with single flush
• 270mm assembly, trim to fit
• Includes 43544 piston and seals
• Not suitable for dual-flush/twin-button systems
• Genuine Grohe product with manufacturer guarantee

If the cistern leaks into the pan, replacing the Grohe DAL discharge piston (43544 000) may resolve the issue. Check that the bellows and button are functioning properly before purchasing.