Do I need a permit to change my hot water heater?

Yes, a permit is required, because as hot water is heated it rapidly expands. Hot water heaters are designed to withstand this pressure, through the addition of safety devices. When a hot water heater is installed improperly, they have been known to explode. In some cases they were literally propelled through the roof of a single family residence. Prior to installing a new hot water heater, we require a permit to cover the inspection of the replacement. This inspection is scheduled after the new hot water heater is in place and prior to the heating of water.

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1. Do I need a permit to change my hot water heater?
2. Why do I need a permit for my lawn sprinkler system?