True/False
In a commercial installation plumbers typically connect electrical wiring to electric water heaters.
What is False?
Which step comes first when installing a water heater?
Remove strainers and aerators
Determine rigid pipe and fittings
Secure heater to structure
Install T&P relief tube
What is determine rigid pipe and fittings
When is a hot water heater pan required?
When the heater is installed where leakage could cause damage (like above living spaces or finished floors).
220
What voltage is required for most electric hot water heaters?
Black Iron
_______ pipe and fittings are commonly used to deliver natural gas inside buildings
Both electric and gas water heaters must be filled with water before the electricity or gas is turned on.
What is true?
Put these steps in order (1–4):
Remove strainers and aerators
Determine rigid pipe and fittings
Secure heater to structure
Install T/P relief valve discharge pipe
What is...
1) Determine rigid pipe and fittings
2 ) Secure heater to structure (if required)
3️ ) Install T/P relief valve discharge pipe
4️) Remove strainers and aerators
Is a control valve required on the cold water side of the hot water heater?
Yes
26
What gauge sheet metal pipe is used for a flue on a gas hot water heater?
Gas Furnace
In a single family residence a gas water heater is often located near a _______.
Due to the unique characteristics of various hot water heaters, plumbers should study the manufacturers instructions before attempting to install any hot water heater.
What is true?
Why are aerators removed during installation?
To allow debris and air to be expelled from piping.
The relief tube for the T&P valve must terminate within _____ from the floor.
What is 6 inches?
PVC and 3"
Power vent water heater vent pipe is typically made of ______ and can be either 2" or ______.
Shut off gas and water
What is the first step after determining a hot water tank is defective?
Water heater installation procedures are the same for every brand and model.
What is false?
FINAL JEOPARDY FOR ALL...
If a hot water heater requires an expansion tank, where should it be located?
On the cold water supply line near the water heater.