YES and No Yes if you are going to be working on the gas water heater and No if you are working on a cold water line and if you are working on a hot water line you can shut off the gas or electric to the water heater so in case your water heater drains but what I usually do is just turn the water heater's water supply valve off.
no as it will burn out the element
Isolator is something which blocks current or heat. Where as Circulator is something through which heat and electricity can pass.
There should be a dial on the front of the heater that you set the temp. with.
I would`nt... It serves no purpose. If the water is off there is no pressure when you turn on the tap, hot or cold, so you would be heating water you can`t use.
Same as any hot water heater. Turn the gas valve to off.
Why does your ac and heater fan turn off and on
Because when your house is cold the heater automaticly turn on and when its the temperature is at the degrees you set it as it turn off.
You set a heater to a certain temperature and when it reaches that it turns off.
Because you heater is off.
Turn off to replace or service. Turn off if away from home for extended amount of time, such as vacation.
First place to look is the thermostat
YES and No Yes if you are going to be working on the gas water heater and No if you are working on a cold water line and if you are working on a hot water line you can shut off the gas or electric to the water heater so in case your water heater drains but what I usually do is just turn the water heater's water supply valve off.
Not if the water heater is electric
If you have a heater, turn it off.
Yes, make sure you turn off power to the water heater. Also shut off the icemaker. No. Just turn it off. Just remember to turn it back on before you open any of your inside faucets. And you also need to turn off the hot water heater.
Turn the switch off.