The new American National Standards Institute (ANSI) standard governing flammable vapor ignition resistant (FVIR) water heaters has been in effect for less than a year, and plumbers around the country are still adjusting to the subtle differences found in the installation and maintenance of the units.
The double-body strap is the system of choice wherever water heater bracing is required. Also, a step-by-step guide to strapping a storage tank heater.