OK unless you have a Suburban brand heater with an anode ....
Should work fine if you are really careful of what is going to be very hot water, and you remove the whole assembly once a year or so to completely flush out the tank ....
Bill & Kate - Stone Harbor, NJ
w/ Bailey (standard poodle) and Zeke (partipoodle)- both rescues
2018 Ford F-250 Super Duty Crew Cab w/ 6.2L gasser
2014 Forest River Wildcat 272RLX fifth wheel