It might not be too hard to repair.. But, you might have to uninstall it..
I'm not sure the all that copper tube inside will survive going in and out..
I've never heard of E-tech before.. It looks pretty nice. How are the reviews?
Wow, only $365 shipped down from Maine..
New Heat Pump Water Heater Save 50 or More on Your Hot Water | eBay
I'm temped to buy one.. As a backup..