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Atmospheric Vent Gas Water Heaters are naturally vented to the outside of the home and include these exclusive Built to be the Best® features:

John Wood Flame Guard® safety system gas water heaters are Flammable Vapour Ignition Resistant (FVIR) compliant water heaters with proven technology that you can trust.
Product Features

John Wood Flame Guard® safety system gas water heaters are Flammable Vapour Ignition Resistant (FVIR) compliant water heaters with proven technology that you can trust.
Product Features

John Wood Flame Guard® safety system gas water heaters are Flammable Vapour Ignition Resistant (FVIR) compliant water heaters with proven technology that you can trust.
Product Features

John Wood Flame Guard® safety system gas water heaters are Flammable Vapour Ignition Resistant (FVIR) compliant water heaters with proven technology that you can trust.
Product Features

Professional Classic Plus™ Atmospheric gas water heaters are engineered for more hot water at a low operating cost
Efficiency

Professional Classic™ Direct Vent gas water heaters use outside air for combustion, offer longer venting options and a coaxial vent for easy installation
Efficiency
Performance
Technology
Longer Venting
Guardian System™ & Sensor
Low Emissions
Longer Life
Plus…

Professional Classic™ Power Vent gas water heaters offer up to 100 foot vent runs, energy efficiency and the Guardian System
Efficiency
Performance
Self-Diagnostic System
Low Emissions
Features
Guardian System™ & Sensor
Flexible Venting Options
Longer Life
High Altitude Compliant
Plus…













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