This is a tankless electric water heater, if you look close, whoever installed it made HOT water connections with pvc piping, which is a no no, PVC is not rated for hot water. Also it’s under the house (nothing we can do about that now) however it was installed just little high; How ARE YOU going to replace the elements when they burn out?? So D.G. Miller and Son changed things around! The PVC gone and lowered down, where it can be maintained just a little easier!!!