Do both water heater elements turn on at the same time?

The basic operation of a two thermostat system (upper and lower) on an electric water heater of 240 volt supply is as follows: Only one element will come on at any one time. This is known as a flip/flop system. Once that temperature has been reached, the thermostat will then flip power down to the lower thermostat.

What happens when you turn off the second water heater?

SERIES In series, the water comes in to the first water heater, then passes through the second hot water heater, and finally goes to your fixtures. If you turn off the second water heater, then the water in the second one cools down between uses. This results in very long warmup times.

How does a dual element water heater work?

Normal operation: When hot water is being used, cold water enters the bottom of the heater (either through the bottom inlet nipple or the dip tube), the bottom thermostat closes and the element will begin to heat the cold water.

What to do when your hot water heater wont turn on?

1 Switch off the regulator for 5 minutes or more while waiting for the gas to dissipate. Afterward, switch your regulator to “pilot.” 2 If the water heater has a self-ignite function, you should press and hold the ignition knob for 60 seconds or more. 3 If you must use a flame to light the pilot back on, then all you need is a long lighter. …

How is cold water split between two water heaters?

PARALLEL In parallel, the incoming cold water is split between the two water heaters. Hot water coming out of the two heaters is combined and sent on to the fixtures. If you want to turn off one of the water heaters, you also have to close the valve to the inlet or the outlet.

Can a dual element hot water tank run out?

So effectively you get virtually unlimited hot water all at off peak power rates with the dual element tank where as any single element tank (no matter what the size) can possibly run out of hot water if there is a large daily demand.

Do you have to use tempered water in a dual water heater?

The tanks also need to be of equal capacity or you will start using tempered water as soon as the smaller tank starts running out of hot water. Just not a realistic solution IMO without a lot of electrical controls to assure equal flow from both and to shut down one or the other if it starts running out of hot water.

Can a water heater be connected to a hot tank?

Additionally, unlike a tank wh, the water in the lines won’t be kept warm by the hot tank that they’re connected to. So, the water comes out quite cold for quite a while before it gets warm, then eventually hot.