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Water heater
How to Install a Storage Water Heater
After shutting off the water and gas or power supply to the tank, connect a hose to the drain
valve at the bottom of the tank, open the valve, and run it to a nearby drain or to the outdoors.
Use two wrenches to unscrew the inlet and outlet fittings from the top of the tank. For a gas
water heater, shut off the gas inlet valve and use two wrenches to disconnect the union and the
inlet valve. Also remove the flue hat that expels gases into the flue at the top of the tank.
After removing the old unit, set the new one in place with the controls and burner accessible.
Allow at least 6 inches of clearance around its perimeter, and keep it away from flammable
materials. Use a level to check it for plumb; shim the base with pieces of asphalt shingles or
plastic wedges as needed.
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