Rinnai Central

Rinnai Central

by Rinnai America Corp

341 ratings
213 reviews
Free

Details

  • Released
  • Updated
  • June 8, 2023
  • July 8, 2026

Features

Rinnai Central screenshot #1 for iPhone
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About

This app connects Rinnai tankless water heater owners to their devices for temperature control and scheduling. Professional installers can use it to register appliances, perform service, access documentation, and order parts.

✓Adjust water temperature
✓Schedule hot water
✓Activate recirculation
✓Register appliances
✓Perform remote service
✓Access documentation
✓Order replacement parts
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What users say

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What's New in Rinnai Central

5.0.4

July 8, 2026

Bug fixes and stability improvements to help make Rinnai Central more reliable for both professionals and homeowners.

User reviews

Complex useless

Despite claiming you can connect an RXP199i water heater via bluetooth with the app, there appears to be zero support for Bluetooth connectivity.

I’m embarrassed for whoever developed and documented this useless piece of code.

Terrible app WiFi issues

This app is terrible lately. It never connects to WiFi and you have to force close the app like 5 different times until it finally connects to your phone. Completely useless and unreliable. Who are the developers??

Worthless

This app is worthless. You’d think a company like Rinnai that makes decent tankless water heaters could develop an app for the end user. Understanding how rot navigate the app sucks. It doesn’t allow the end users to adjust parameters. The connectivity is spotty with the WIFI module. Go back to the drawing board Rinnai and give us something that can function other than toggling buttons.
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No Notifications

Whenever there’s an error on my water heater, the app, although connected properly and into the Internet, does not send out any notifications whatsoever as the entire reason I bought the wireless module.

Connectivity

Horrible app. Wi-Fi loses connectivity all the time even though my mesh router is extremely close to the unit. Customer support is extremely difficult to get hold of and no option for telephone call.

Developer apps

User experience

🐞

Reported Bugs

3 issues

Control failed is still happening in latest version

Bug

Login screen freezes

Bug

Incompatible with older devices

Bug
✨

Requested Features

3 requests

Add device through Bluetooth missing

Feature

Dark mode option

Feature

Advanced analytics dashboard

Feature

FAQ

What does the Rinnai Central app do?

The Rinnai Central app serves two main purposes. For Rinnai Tankless Owners, it allows them to connect to their water heater to manage temperature, schedule hot water, activate recirculation, and view status. For PROs/Installers, it provides tools for registering appliances, performing service, accessing documentation, ordering parts, and finding rebates.

What features are available for Rinnai Tankless Owners?

Rinnai Tankless Owners can use the app to adjust their water heating system temperature, quickly activate recirculation if applicable, set customizable daily schedules for hot water, and put the system in vacation mode. They can also view real-time status and receive maintenance alerts.

What tools does the Rinnai Central app offer for professional installers?

Professional installers can use the app to set parameters and perform service on specific Rinnai tankless water heaters and boilers. They can remotely register products, set up customer Wi-Fi modules, access the latest documentation and online training, order parts from the Rinnai webstore, and use a troubleshooting guide and solution selector.

What Rinnai products are compatible with this app?

The app is compatible with Rinnai Residential and Commercial Tankless Water Heaters from 2006 models and newer, provided they have Rinnai’s Wireless Module installed, which is sold separately. Some exceptions may apply, and users should consult their User Manual for details.

Is the Rinnai Central app free to use?

Yes, the Rinnai Central app is available for free download and use. There are no in-app purchases or advertisements mentioned in the provided description.