We started our new Pentair MaxETherm heater in December. It runs full-time at 70 degrees which I would suspect is not a real load on a new heater like this. Initially it had a crack in the bottom section and leaked. They fixed that. Now it's not running. It's got a high pitched sound when it's trying to start. Anyone else have issues with a new heater? SO FRUSTRATING to go 2 months with new equipment to result in no use of the hot tub again until it gets fixed. No diagnostic information on the panel on the heater. I've looked everywhere. It's natural gas and as far as i can tell, it is receiving gas. When I started it up, ran to the meter and it sounded as if gas was being requested from the heater for the short period of time that the heater attempts to start.