What to know about Rinnai tankless water heaters?

Rinnai has been manufacturing tankless water heaters for a long time and it is fair to assume that there have been changes over the years. This makes your owner’s manual your best resource for troubleshooting your unit. It will have the information you need for your specific model.

When do I get an error code on my Rinnai Water Heater?

When your Rinnai tankless water heater has a problem, an error code is shown on the display panel. Frequently, there are a few steps you can take to troubleshoot the issue, you may even be able to get your tankless backup and running. But at the bare minimum, you will have an idea of the problem before you call for repairs.

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.

Can a tankless water heater cause a shower to go cold?

It’s uncomfortable, it’s inconvenient, and if left unaddressed, it can be dangerous. For homeowners, a shower that suddenly goes cold can indicate a bigger problem. Tankless water heaters are designed to provide an unlimited supply of hot water, yet cold water seems to be a common problem, regardless of the brand.

Can a Rinnai be used with a tankless water heater?

The Rinnai Hydronic Air Handler System easily integrates with select tankless water heaters or boilers to deliver energy-efficient warmth. Rinnai Infrared Heaters provide you with warm radiant comfort in all of your outdoor, garage and workshop spaces. Select a region.

How often should I Clean my Rinnai Water heater screen?

Know that a tankless water is NOT a “set it and forget it” water heater. You should visit the heater at least once every three months. The Rinnai is typical of other tankless heaters in that the unit has a screen filter that should be kept clean. Watch this short video for steps needed to clean the filter.

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).