Your new GSW Envirosense water heater is equipped with a spiral-shaped, condensing heat exchanger, which provides a large heat transfer surface and results in 90-to96% thermal efficiency.

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Key Features:

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• Equipped with a fully submerged spiral-shaped condensing heat exchanger that provides greater heat transfer surface.

• Commercial-Grade Glass Lining with two Magnesium Anode rods provides superior protection against tank corrosion

• Glass lining protects all water side tank surfaces plus inside of internal heat exchanger.