Why does my Rinnai go from hot to cold?

Why does my Rinnai go from hot to cold?

Your tankless water heater will feel cold to the touch when the heater unit and pumps are in the rest state and not heating water. There’s nothing to worry about. As long as everything is working properly (e.g. you have hot water on demand), there is no cause for concern.

What does the priority button do on Rinnai?

When you press the “Priority button,” the green light will glow, indicating that the controller controls the temperature and that a water heater is ready. Rinnai water heaters work in the temperature range from 98 F to 140 F, while they come with the factory setting of approximately 120-125 F.

How does Rinnai Control R work?

Wireless Motion Sensor Mounted near the point of use, the motion sensor operates the recirculation system by detecting full-body movement up to 30 feet away.

What is the best setting for a tankless water heater?

You’ll want to shoot for 100-115 degrees Fahrenheit for your water to be heated. If your groundwater temperature is 60 degrees and you want your shower at 110 degrees, that’s going to be a 50-degree rise.

Why does my Rinnai water heater keep turning off?

If your gas water heater keeps shutting off, the thermocouple could be dirty, bent or damaged. The thermocouple is usually easily visible next to the pilot light. Inspect the thermocouple to determine if it is dirty or damaged in some way. If it is dirty, turn off the gas to allow the thermocouple to cool.

Why does my tankless water heater keep turning on and off?

Electric Tankless Water Heater Keeps Shutting Off It could be something as simple as a loose wire. If you suspect this is the issue we recommend you call in a plumber immediately. Check that the heater is getting electricity, gas and water. Check the filter to make sure that there’s no debris in it.

What temp should I set my tankless water heater?

What is Rinnai CIRC logic?

Circ-Logic is Rinnai’s recirculation technology built into Rinnai Tankless Water Heaters. Circ-Logic defines recirculation patterns that coincide with your hot water usage. Hot water is available when and where you want it with the on-demand recirculation components listed below.

How do you use control Y?

To reverse your last Undo, press CTRL+Y. You can reverse more than one action that has been undone. You can use Redo command only after Undo command.

What temperature should I set my hot water on demand?

The EPA recommends 120 degrees because it’s hot enough to keep diseases at bay, it’s not hot enough to cause scalding, it will supply enough hot water for most small families and is relatively energy-efficient.

Why is my tankless water heater only lukewarm?

If your electric hot water heater is only lukewarm, then it’s obviously not due to a gas issue. It could, however, be due to a power issue. In most cases, this is because the power source has been cut, most commonly because of a tripped breaker. Fix this issue by flipping the appropriate breaker back to “On.”

What is the best temperature to set a tankless water heater?

120 degrees Fahrenheit is the safety recommendation against scalding, but 140° is the common default setting. Most experts agree that anything below 120 degrees creates a risk for bacteria to develop inside your water heater from stagnant water, such as legionella that causes Legionnaire’s disease.

Why does my water heater turn off by itself?

The main reasons that a gas water heater automatically shuts off are because the pilot light goes out, the pilot light can’t start, or there are problems with the gas supply. Here we look at what you can do to get to the bottom of this issue and make your hot water supply more reliable.

What causes a tankless water heater to turn on and off?

Here are a few examples of other things that might cause a tankless water heater to unexpectedly turn off: using a water-saving shower head. the temperature on water heater is set too high. a dirty cold water inlet filter.