How soon do you require a service? A few other things that may be behind your lack of water, with the most likely culprit being a broken part or a valve that needs to be replaced if you suspect it is a deeper issue, give your friendly. The coke/pepsi idea is fantastic! i don't like either anyway, and it makes a lot of sense to use great hub and very useful as many have this problem at one time or another voted up! With projected after-tax savings of.