<strong>Yahoo Message Number: 57112</strong>The RV Compfort. ZC control is allowing both heat pump and gas (Hydro-hot) to run simultaneously on zone one. The gas icon flashes on and off but the fans on gas are blowing, sometimes hot sometimes cold. Elect icon is on.<br/><br/>Zone two and three seem to be fine. <br/>Hydro-hot water in the shower does not last long. I understand that when using...