How many inches of insulation does this water heater have, what is the R-value?

Most of our residential models have the insulation thickness indicated by the third digit of the model number. Every inch of insulation represents approximately an R-value of 8. For example, model number RE250T6 has an insulation thickness of two inches which has an approximate R-value of 16. You can find more information about your Bradford White water heater here .