The flue can be poked out of the top of a building or a balanced flue can be fitted on the side of a house.
Gas hot water heater installation regulations.
The pipe needs to attach to the top of the heater.
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.
A few rare cases may also require a third permit.
Begin the gas water heater installation by draining the old water heater tank.
If the concrete floor is uneven use shims on the base of the water heater to make it perfectly level.
Turn on the nearest hot water faucet.
Gas fired hot water heaters require a vent that allows combustion gases to escape.
This is very important for water and gas flow.
The vent goes through the ceiling and eventually to the outdoors through the roof.
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.
This is as easy as heading down to the local planning or building department to ask for one.
In almost all circumstances replacing an existing water heater will require either one or two permits.
Water heaters must be placed on a level surface.
The first permit is for the water heater itself.
If you are installing a gas or oil water heater you must have a flue.
The installation must conform with this manual local codes and with the current edition of the national fuel gas code ansi z223 1.