Choosing the Right Residential Gas Water Heater

Measure the space where the existing water heater now sits (including necessary plumbing, venting and gas connections) and note the existing tank size. Tank size and BTU input is key to ensuring plenty of hot water during peak usage. All sizes are presented in Litres and US Gallons. Click on type of water heater and tank size to chose the right water heater.

Children or teens? Have you added a whirlpool, dishwasher, clothes washer or extra bathroom since you have moved in? If you answered YES, consider moving up to a larger tank capacity.

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Flame Guard® GSW's Flame Guard Safety System reduces the risk of accidental fires involving flammable vapors from products such as gasoline, paint thinner, solvents, etc. Click the desired tank size. (102 L / 30 gal) (150 L / 40 gal) (190 L / 50 gal)

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Envirosense The Envirosense line of water heaters contains a fully submerged, spiral-shaped condensing heat exchange that provides a much greater heat transfer surface than a standard straight flue tube, resulting in up to 96% thermal efficiency and higher hot water output. (Envirosense Power Direct Vent) | (Envirosense Power Vent)

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Direct Vent Allows for a sealed combustion process to take place. Combustion air comes in from the outside and flue gases exit to the outside in a 2-pipe venting system. Ideal for tightly built new homes. (190 L / 50 gal)

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Power Direct Vent The Power Direct Vent is designed with a sealed combustion chamber, ultra quiet blower and state-of-the-art Robertshaw¨ gas control for highly accurate temperature control. The Flamable Vapour Ignition Resistant (FVIR) design prevents flammable vapours from entering and igniting. All combustion air is brought in from outside - rather than heated air from indoors. (190 L / 50 gal)

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SuperFlue™ FVIR Compliant A built-in blower allows through-the-wall or through-the-roof venting up to 50 feet to the exterior of the home. Ideal for conversions from electric to gas water heater. (150 L / 40 gal) (190 L / 50 gal) (227 L / 60 gal)

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Light Duty Commercial Power Vented A built-in blower allows through-the-wall or through-the-roof venting up to 50 feet to the exterior of the home. Ideal for conversions from electric to gas water heater. (284 L / 75 gal)

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Polaris™ Technology that blends water heating and residential space heating into a single, super-high efficiency water heating system. Click the desired tank size. (155 L / 34 gal) (227 L / 50 gal)