Looks like it happened before. Someone put a piece of wood on top of the box.
I replace mine every 6 to 8 years. Seen too many leak. Along with the expansion tank.
It's worth the $400 for peace of mind
Water heater failed in Vegas. I tried the home depot and Lowes installation. $1200 and $1500.
Made a road trip to vegas and got to see my daughter and picked up a 50 gal heater for $600 and an hour later it was done
Then I find out vegas requires a permit
f that. Done and gone.