With the water and gas off drain the water heater.
Water heater drain line installation.
An approved means such as a cold water dip tube with a hole at the top or a vacuum relief valve installed in the cold water supply line above the top of the heater or tank shall be provided to prevent siphoning of any storage water heater or tank.
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It is placed under the water heater and is an extremely important safety feature.
As water heaters age the inside tanks that contain water can weaken from rust and corrosion.
Earthquake straps areas prone to earthquakes and some that are not will require the water heater to be strapped in place to prevent damage during a quake.
Drain pan while always a good idea most areas require a drain pan with a drain line under it.
Attach a garden hose to the drain valve at the bottom of the tank route it to a floor drain and open the drain valve.
This reduces the risk of water damage from leaks and aids during flushing.
Installing a drain line for a hot water heater pan.
They are just starting to gain wider acceptance and use in the united states.
To allow air into the hot water lines and speed up the draining process go to the highest faucet in the house and turn on the hot side only on single handle faucets push the lever all the way to the left.
Tankless water heaters are more energy efficient than traditional tanks because they heat water as it is used rather than heating and re heating water in a storage tank.
This causes the tanks to leak and in some cases.
A water heater drain pan works as a drip collection unit.