These High Performance Series™ water heaters provide incredible hot water delivery from a space saving, convenient package. When tested to the industry standard residential First Hour Delivery procedure, the 25-gallon model (GX-1-TW-25S) can provide 155 gallons and the 55-gallon model (GX-1-TW-55S) will deliver 200 gallons.
This is Harker’s expert opinion on the product as a whole. Intangibles such as durability, ease of repair/install, and value are taken into consideration. We want to make it clear that we do not offer any bad products. Not every product can be used in every situation, so sometimes a 3-star product will be a better fit than a 5-star. All star ratings are pure opinion.
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