This is the first time I’ve seen this device on a water heater. Apparently it shuts off the gas. This was installed in 1994. There was no TPRV present on the water heater. Is the TPRV not needed when using the Watts 210?
frotte (Frank Rotte, , CPI, San Diego Home Inspector) #1
jfrederick (Joshua L. Frederick) #3
mgratton (Marcel Gratton, CMI) #4
It appears to be required according to information provided in those links posted.