The Manabloc manifold has a very tiny leak (one drop every 5-6 seconds.) I can't see where it is coming from. Is it worth changing out the gaskets or do most people just install a new one?<br/><br/>If repair is an option, what is the part number? I tried searching but couldn't find it the site.<br/><br/>For buying a new one, do people replace all the hose fittings or just attach the...