i have a bailey pageant mosselle cd,1995.it is fitted with a water heater supplying the taps in the kitchen and bathroom and the shower.before traveling to france i was advised to drain the tank for the journey.my problem is,when we had arrived and set up i couldn't get the tank to refill.i turned on the hot taps individually and all together but no joy.the pump didn't start up.am i missing something? is there a proceedure to refill these tanks? any help would be gratefully recieved.