How is the optiTHERM constructed? View the assembly of the BOCK optiTHERM water heater from the inside out. See it come together piece by piece and learn about the features and value incorporated into every optiTHERM Water Heater.
How is the optiTHERM constructed? View the assembly of the BOCK optiTHERM water heater from the inside out. See it come together piece by piece and learn about the features and value incorporated into every optiTHERM Water Heater.