Legacy View 4+

Water system info & control

Chandler Systems, Inc.

Designed for iPad

    • 4.2 • 148 Ratings
    • Free



Legacy View makes setting up and monitoring your Chandler Systems water treatment system easier than ever! This App covers systems sold under Chandler Systems' three brands (CSI, Clearion and WaterSoft) that use the Legacy View Valve. When used with a Legacy View Valve the user, through the app, can do the following functions:

- Conveniently view all valve settings and status.
- Easily change valve settings.
- View current water usage information.
- Graphically view water usage information.
- Start a regeneration or backwash cycle from your phone or tablet.
- Set / view the servicing water treatment dealer information.
- Better understand how your system is working and understand what settings are for.
- Connect to all of your valves in your system from one tablet or phone.
- Update firmware on Bluetooth LE valves
- Manage your connection to your valves.

Note: This app is only compatible with Chandler Systems valves that have a revision number greater or equal to “C2.00”. These valves use Bluetooth 4.0+ (a.k.a. Bluetooth LE) to communicate and require smartphones or tablets to also have Bluetooth LE to use the features in this app. All recently manufactured Apple devices are Bluetooth LE compatible. Check your device specifications if you are unsure of it's compatibility.

(The firmware revision of the valve can be viewed on the valve display for 2 seconds after the valve is powered up.)

What’s New

Version 3.1.20

Minor Bug Fix

Ratings and Reviews

4.2 out of 5
148 Ratings

148 Ratings

eyesurge ,

Makes managing water consumption easy

The app has worked well on my iPhone SE and now SE (2020) since I installed my water softener about 6 months ago. It connects to the softener’s 5900BT head even when I’m well outside the house and generally makes it easy to schedule backwashes, etc. Only one complaint, and the reason I give it four stars: the ‘average water usage per day’ displayed is way off for some reason. I can see my daily usage in the chart, which is generally ~650 liters per day (this seems about right), but the average consistently shows around 2250 L even after many months of use.

Developer Response ,

Thank you for your review! We will look into the average issue. If you contact us via support@chandlersystemsinc.com then we can respond to you directly if we need any further information about this specific problem.

CdM Steve ,

Bluetooth conection

App is easy to set up , works wellOnly complaint is that system only allows a SINGLE bluetooth connection at a time. After i close one connection, i have to physically reboot the system before i can connect with another bluetooth device. Not sure if there is a setting that can be modified.

Developer Response ,

Hello, thanks for your feedback. We cannot duplicate the issue with the latest app version on 2 different Apple devices. If I connect to a softener and then background the app on one device by swiping up on the screen, I can then immediately connect to the same softener using another Apple device. We would like to try to help you. You can contact us with more detail at appfeedback@chandlersystemsinc.com, or you can call us at 888-363-9434 (M-F, 8-5 EST).

Umthetho ,

App works great

After initially having Bluetooth connection issues, I called CSI and they were able to solve the issue which required me to power down the water softener, remove the 9v battery, uninstall and then reinstall app. After following those steps the problem was resolved and I am happy with the system, it works fine and now I am able to get all the numbers I need.

Developer Response ,

We are sorry that you are having trouble connecting to your Legacy View valve. First, please try the troubleshooting steps in this link: http://csd.onl/bletb.pdf If those suggestions do not solve your problem, please contact us at support@chandlersystemsinc.com or call us M-F during normal business hours (EST) at (888) 363-9434. We will get your connection working again, and will resolve the issue.

App Privacy

The developer, Chandler Systems, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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