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There are two types of thermostats. One is a line voltage stat. This is in effect a switch and when turned to the off position the voltage is interrupted and the heater will not operate. The other type of stat is low voltage. There will be a relay in the baseboard heater that the thermostat is connected to. With this type if installation to turn the power completely off you will have to turn the breaker off that feeds the circuit.
An electric circuit connected so that current passes through each circuit element in turn without branching.
it is the natural commutation ...by making open circuit or short circuit on the thyristor to make it turn off.
When you switch off an electrical circuit you tend to create a 'break' in the circuit, preventing the electric current to flow around the circuit, this can be caused by a simple switch or a break in the circuit, e.g a disconnected wire.
Turn on all the electric divices in a circuit!
There is a loose wire somewhere in the circuit - tapping the heater makes the wire complete the circuit !
The cicuit braker should only trip when there is too much current running through it. Check to see what the braker is rated for (maybe 10 or 15 amps). Then take stock of what equipment is in that circuit (maybe a couple of lights?) and estimate how many amps the circuit should be drawing (maybe two or three). If there aren't a million lights plugged in to this circuit then chances are the light fixture in question is shorting out when you turn it on.
As long as the water doesn't drain out of the heater somehow, no. What kind of car are we working on...
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.
your heater most likely does shut off. this is called the burner orheat exchanger. the fan will continue to run until the exchanger cools down. check you thermostat setting to see if itis on-auto ,-or continous.
There is a thermostat somewhere, usually on the wall or on the heater itself. Just turn the breaker off at the breaker box. Label the breaker if it is not already labeled. Once the power is turned off to the unit, you can disconnect the wires inside the heater to permanantly shut down the unit.
If you want to shut it down completely, turn off the cold water stop going into the hot water tank. If it is an electrical tank shut the breaker off to the HWT. If it is a gas HWT, shut off the gas valve as well.
Could be either a bad ignition switch or a bad voltage regulator (not opening circuit on shut-down)
It should be right above the water heater on the cold side. It is either a straight lever that is a quarter turn type or a round handle that screws in. If it is the straight lever one, you probably pull down on it to shut it off, but it can be put in either way and you may have to push it up. Look at where it attaches to the valve and you can see the stops and which way to turn it.
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.
Check for a heater flow valve in the heater hose they can rust shut easily it is a valve in the heater hose that opens when you turn on the heat and shuts when its not in use, if not then probably the core is plugged a radiator flush might help but you may need to have it cleaned and repaired.
Shut off the gas valve feeding the heater until a qualfied service person diagnoses and repairs the problem. The valve should be just outside the heater, turn the handle 90 degrees until it is perpendicular to the pipe.