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A gas water heater is a water heating system that incorporates a gas burner that heats up the water running through it. A gas water typically has two water pipes, one each for hot and cold water, as well as a chimney run... More »

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According to Consumer Search, the Whirlpool N40S61-403 and the Rheem 42VR40-40F are the best gas water heaters for the home. These energy efficient models offer well performing machines for the cost. More »

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A tankless gas water heater is an appliance for providing hot water on demand. By only heating water when it’s needed, tankless gas water heaters save homes money by avoiding the need to continuously keep a tank of water... More »

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A Navien tankless water heater works by heating up cold water on demand using a built in gas burner to quickly heat up cold water and store it in a small tank. The unit uses built-in technology to recycle heat generated ... More »

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Gas is fed into the water heater burner, which ignites into a flame that heats the water heater tank. As the tank heats up, the water in the tank heats up as well. More »

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Most gas water heaters fall between $400 and $600 at The Home Depot, as of March 2015. The majority of electric water heaters cost between $300 and $400. More »

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After removing and draining the old water heater, hooking up new flex pipe segments, connecting to the gas supply (unless the heater is electric) and linking to the water supply complete replacement of a hot water heater... More »

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