John Wood offers a complete line of residential natural gas and propane water heaters that feature technological innovation and design durability and efficiency.

Flame Guard® Safety System
Recent changes in industry standards require that certain gas-fired water heaters feature Flammable Vapor Ignition Resistant (FVIR) technology, to prevent the ignition of flammable vapours. With over 4 billion hours of outstanding performance in the field and more than 800,000 installations in homes across North America, John Wood Flame Guard® safety system gas water heaters are the only Flammable Vapour Ignition Resistant (FVIR) compliant water heaters on the market with more than five years of proven technology that you can trust.