metlmnExplorerJan 23, 2014aqua hot2013 Diplomat. I have heat on zone 4, but only blows cold air in the other 3 zones. Any ideas why?
JCMSrExplorerJan 24, 2014x4 on giving the valves a good whack. Have had this happen twice over the past three years and one tap solved the problem. Will take longer to take the cover off than anything else.
Related ContentAqua Hot leaking Boiler fluidAqua Hot panel deadAqua hot 400d winterizationAqua Hot not igniting on Monaco DynastyAqua 400D hot water heater problem