One of the most common household plumbing projects is replacing a water heater. Many potential dangers can result from improper water heater installation. Be sure to check your local codes. Use only the procedures and materials your code allows.

For a gas heater, install the heater’s new draft hood.It’s a good idea to use new vent pipe elbows, since the old ones are probably corroded at their present angles. The vent should go straight up as far as possible.Connect the vent pipe with short sheet metal screws. Now you can make the hot and cold water connections.The water piping is handled depending on whether your house has threaded metal, sweat-soldered copper, or thermoplastic piping, and whether the piping is 3/4″ or 1/2″. For threaded pipe, you should have a union on both the hot and cold water lines. Old unions should be replaced.Allow for the distance the pipe threads into the fittings.

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