Is the Rinnai tankless water heater still working?

I have a Rinnai tankless RC80HPi water heater. It was installed in my house back in 2009. It has been working flawlessly up until about 2 weeks ago. Then all of a sudden while trying to run hot water in either of the showers or in the kitchen sink, the hot water would start cycling between cold and hot.

Are there any problems with my tankless water heater?

No hot water is one of the most common tankless water heater problems. The first things you should check are the electric power, water, and gas supply to the water heater. Check the shut-off valves, as they might be in the closed position. Check the gas burner and does the flame rod generates the sparks.

Is there an error code on my Rinnai tankless?

No code. Tried flushing the unit but that didn’t help. Unit makes a loud rumble (very loud) when it kicks on. This was the only issue for maybe a week or so. Today it started kicking on/off while calling for hot water.

How to set the temperature of a Rinnai condensing water heater?

How to Set the Temperature Manual – Rinnai Condensing Water Heaters 7 1. If the water heater is off, press the ON/OFF button to turn on. While any hot water is being provided, the temperature setting can only be adjusted between 98º F (37º C) and 110º F (43º C).

Why are there problems with tankless water heaters?

Because tankless units only heat water as it’s needed, running too many hot water appliances at the same time could mean the unit just can’t keep up.

Why does my Rinnai Water Heater have code 10?

Remove burner and inspect copper fins in heat exchanger for a build up between fins. This will cause air flow restrictions which can lead to code 10’s. If build up is present, you will need an air compressor capable of delivering 120 psi of air to blow out the burner and heat exchanger fins.

Why is my Rinnai Infinity shower controller not working?

Hi, both controllers in the bathrooms show no display. The water supply in the showers turns very hot to very cold. Have tried turing the power off and on – worked once but not again. Is there some way to rest this. Hello. We had a new smart meter installed today. Hot water was working before install now not working.

How to call Rinnai hot water service in Australia?

The units safety components appear to have been activated to protect the unit in this instance and will require a service call to reset the hot water system. Please call Service on 1300 555 545 or alternatively you may book on line following the link provided /

What should I do if my Rinnai controller is not working?

If a controller is fitted check that it is on also) Check gas supply (Turn gas stove top on then turn hot water tap on. If flame drops on stove this shows it is possibly a gas supply issue) Is there enough water flowing? (Try opening tap further or turn another tap on as well) Are there any error codes displayed on controllers?

What does error code 05 on Rinnai Water Heater mean?

How to Fix: Turn off power supply to the unit and then turn back on. Open a hot water tap to fire up the unit. If error code “05” reappears, bypass valve will need replacing. What it Means: Circulation flow rate has dropped below 2.1 gpm.

Is the Rinnai tankless water heater has no hot water?

Rinnai Tankless Water Heater has no hot water – Answered by a verified Plumber We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policyunless you have disabled them.

How to check power supply on Rinnai hairdryer?

Checkpower supply (Plug another appliance (ie hairdryer) into power point and test. If a controller is fitted check that it is on also) Check gas supply (Turn gas stove top on then turn hot water tap on.

What causes an error code on a tankless water heater?

Most tankless water heaters are equipped with a diagnostic system that incorporate the microprocessor and LCD screen, which displays an error code if the problem occurs. An error code can appear due to many reasons, from a simple spider web and air/exhaust blockage to more serious gas or exhaust leak.

What to do if your tankless water heater has no hot water?

What should I do if my Rinnai Water Heater is brown out?

The advice per the manual is turn off all the hot water, hit the on off button on the temperature controller twice, and you’ve reset it. If you’ve got brown-outs in your area, you may need to do this a couple times. I do not know if that is better or worse than having to go down into a cold dark basement to reset the furnace.

Why do you need a Rinnai tankless water heater?

Rinnai Tankless Water Heaters last up to twice as long, have twice the warranty, and save energy as they only heat water when it is needed. Plus, you never have to worry about running out of hot water with a Rinnai Tankless Water Heater because it keeps heating as long as it is needed.

What type of regular maintenance does a Rinnai tankless water heater require?

There are two types of periodic maintenance that your service technician should perform to keep your Rinnai tankless water heater in top shape. It’s important to note, the time in between necessary maintenance will depend on the water quality in your home. 1. The in-line screen filter should be checked periodically for debris and cleaned.

Are tankless hot water heaters better than a tank?

Tankless water heaters are more efficient than storage tank water heaters in part because there is no standby heat loss. However, one downside to a tankless water heater is the lack of capacity when running more than one hot water tap at the same time.

Why is my tankless water heater not heating?

Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. If venting is not working correctly, it may occur condensation inside the water heater which leads to leakage problems. If condensation is continuing, it might fall the entire system.

Why is my Rinnai hot water tank leaking?

Circuit breaker may tripped in your powerbox, check and make sure it hasn’t tripped. Solar powered heating can sometimes be 100% efficient due to poor weather – sometimes these systems have a booster switch to compensate for this. Tank is leaking water, check the surrounds of your hot water tank. NEED HELP FOR YOUR RINNAI HOT WATER ?

Will a tankless water heater really save money?

The main advantage of tankless water heaters is that they are energy efficient and save you money over the long term . A tank-style water heater expends energy around the clock to maintain the temperature of a 40 to 50-gallon water supply so that hot water is ready when it’s needed.

Why is there an error code on my Rinnai Water Heater?

If your Rinnai displays an error code 05, you need to restart the water heater and open the hot water faucet. This code is not observed on all Rinnai water heaters. Measuring the resistance of the bypass flow control can help in determining the problem. If the error code persists, you may need to replace the bypass servo.

What happens when you turn off a tankless water heater?

Since tankless water heaters are designed to conserve energy, your Rinnai Tankless Water Heater will shut off as soon as you turn off the hot water tap. At that moment, the water in your home’s pipes is already heated. But once you turn off the hot water tap, the water in your Rinnai system will cool.

What’s the Rinnai code for the heat exchanger?

To fix this error code, you need to flush the heat exchanger. If this does not work, you may need to replace the heat exchanger. Rinnai error code 00 will usually be replaced by LC code, followed by a number between 0 to 9 in the maintenance code history.

Does Rinnai make an electric water heater?

No, Rinnai does not make electric tankless water heaters. As a company, they feel that the drawbacks to electric heaters (cost per BTU, energy draw, etc.) aren’t worth the manufacturer’s time or their customers’ frustrations.

How much does it cost to replace a hot water tank?

Total cost to replace a water heater, tank style, mid-size and average quality, is about $700, including the heater, related materials, labor, and disposal of the old unit. The cost to install a tankless water heater is closer to $1000, not including any gas line upgrades that may be required.

How does a tankless water heater work?

Turn on the fixtures to get the hot water flow Cold water flows enter into the process, and a sensor sends a signal to the internal computer control unit which called electric control unit (ECU) The electronic control unit (ECU) activate the heating element and heating element transfer heat into the water which comes into contact with it.