How do I determine my water heater fuel type?

Most household water heaters are either gas or electric. Look at the heater and see how many pipes go into the heater. If there are three one-inch diameter pipes and an electric plug, it is electric. You'll also see a reset switch. If there are three one-inch diameter pipes in the top, and one small one at the bottom with a valve to turn on/off, it is gas.

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