Grohe Servo Discharge Valve 42137000 | Adagio Single Flush Pneumatic Drop Valve | Genuine Spare
In stock
Grohe DAL Adagio Single Flush Discharge Valve | Pneumatic Cistern Drop Valve | Genuine 42137000
In stock
Genuine Grohe DAL Adagio pneumatic single flush discharge valve (42137000). High-quality replacement for older Adagio concealed cisterns. Pro Tip: If your toilet is constantly running into the pan, check the bottom seating washer; replacing this valve is often more cost-effective than trying to find a compatible seal for older DAL models.