Is there any other connectors out there apart from the brass elbow ones. Last 2 i have had failed within few months. Water dripping out i noticed.
http://gardinerpolesystems.co.uk/all-products/pump-hose/hose-reels/hose-reel-connectors/hozelock-type-brass-hose-reel-fitting-swivel-elbow-1882.html
The brass elbow ones have an Allen key fitting on the inside. Unscrew and replace the washer. Job done.