This is as easy as heading down to the local planning or building department to ask for one.
Gas hot water heater installation regulations.
Begin the gas water heater installation by draining the old water heater tank.
You will also need to place the heater near a floor drain so that any water leaks will immediately drain out and away from the house.
The first permit is for the water heater itself.
In almost all circumstances replacing an existing water heater will require either one or two permits.
If you are installing a gas or oil water heater you must have a flue.
There needs to be a clear space above the hot water heater to the ceiling so nothing will touch the vent pipe.
The vent goes through the ceiling and eventually to the outdoors through the roof.
A few rare cases may also require a third permit.
This piece is designed to get rid of the waste gases and also minimizes the risk of carbon monoxide poisoning.
Turn off the water and gas supply shut off valves to the water heater attach a garden hose to the drain valve and empty the tank either into buckets a floor drain or an appropriate place outside.
Gas fired hot water heaters require a vent that allows combustion gases to escape.
Water heaters must be placed on a level surface.
Turn on the nearest hot water faucet.
This is very important for water and gas flow.
If the concrete floor is uneven use shims on the base of the water heater to make it perfectly level.
This gas fired water heater is design certified by csa international under american national standard csa standard for gas water heaters ansi z21 10 1 csa 4 1 current edition.