You’ve likely noticed your Noritz tankless water heater’s Priority light before in some capacity. Whether it’s consistently on or blinking at you, the Priority light can cause some confusion among Noritz tankless water heater owners. But we’ve got some answers that can clear up any confusion surrounding the little persistent light.

We’ve been working with Noritz tankless water heater for the better part of our 20 years in service. We know these machines inside and out and have a close relationship with the manufacturer. Noritz even hosts special training for our technicians to ensure they perform their best for our customers.

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With that knowledge, we’re confident we have all the answers you’re looking for when it comes to your Noritz tankless water heater’s Priority light. Let’s cut to the chase and break down what seeing this light in its various states means.

 

What Does a Solid Priority Light Mean?

If you’ve noticed that your Noritz tankless water heater’s Priority light is persistently on, there’s no need to panic. A persistent Priority light is a good thing and means your system is ready to go and that the temperature can be set.

Be careful not to confuse this light with the Burner On light. The two lights are typically located directly next to each other on most models and can be easily confused at a glance.

But let’s say your tankless water heater’s Priority light isn’t just in a solid state. Let’s say it’s blinking; what then?

 

What Does a Flashing Priority Light Mean?

A red flashing Priority light can mean several things, but in every case, it means there’s been an error or the system needs maintenance. For instance, if the Priority light is flashing and the error code 90 is displayed, then you need to call a technician for proper maintenance.

If there’s an error, you should see a code on the display located near the Priority light. There are several possible error codes, but some are more common than others. To check up on error codes that might accompany a red flashing Priority light, check out our guide to the five most common error codes for Noritz tankless water heaters.

Should you run into anything you’re unsure of how to deal with, it’s always advised to call a technician. It’s also advisable to do a bit of research before you call in so that you can better describe your problem to the call center team or technician. Taking this extra step can go a long way in ensuring your problem is dealt with as quickly as possible.

 

That’s All There Is to Noritz Priority Lights…for the Most Part

We’ve filled you in on what a Priority light means in both blinking and solid states. Now, you’ll be able to recognize when it’s time to call out a technician and when everything is running as it should. You’ll spot the difference right away, so don’t be afraid to pick up the phone if you get a flashing Priority light with an accompanying error code.

After years of servicing Noritz tankless water heaters, we have a keen understanding of how these machines work inside and out. Error codes are all but an inevitability when it comes to again tankless water heaters, but they can be prevented with proper maintenance.

If you think it’s about time your Noritz tankless water heater had some maintenance done, give us a call at (818) 213-1773 or visit us online at our tankless water heater page to book a consultation.

In the meantime, brushing up on all things tankless water heaters with our Ultimate Tankless Guide is a great way to kill some time waiting for your technician. Likewise, understanding maintenance and why it’s important is also crucial to developing a good care cycle.

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