was over filling – replaced side tank and pressure switch assembly- ( the part with the micro switch,s attached as they were all greased up- also cleared sump hose ..
funkyboogy wrote:have these app got a flow meter etc on inlet valve ?
No flowmeter (impellor jug) on this model Ally. Overfilling has to be more associated to a pressure chamber/transfer pipe problem than anything else TBH. Does the water point device operate OK when the circl. pump fires up?