# Taco Accu-Flo Slide Rule

> Tool for calculating Taco Accu-Flo valve settings for hydronic systems. (iPhone/iPad app by Taco, Inc..)

- Source: https://appshunter.io/ios/app/taco-accu-flo-slide-rule/id1224121763 (this page in markdown: same URL + `.md`)
- Developer: [Taco, Inc.](https://appshunter.io/developer/461800454)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 9 MB
- Languages: American English
- Released: 2017-04-07
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/taco-accu-flo-slide-rule/id1224121763/reviews.md

## What is Taco Accu?

The Taco Accu-Flo Slide Rule takes the work out of determining the correct valve settings to 1) achieve a target flow rate through Taco Accu-Flo Balancing Valves and 2) easily and accurately balance hydronic heating and cooling systems using Taco Accu-Flo’s.

•	Easy-to-use
•	Saves time 
•	Quickly determines valve adjustment for target flow rate
•	Makes system balancing a snap

Easy to use for pre-balancing:

Align required pressure drop value with required flow rate.

Read required setting under index line.

Set valve to required setting.

Easy to use for determining flow rate

Set “M” on valve size scale ( ½-in, - 4-in.) under index line.

Find pressure drop on slide rule and read flow rate directly above.

## Key features

- Determine correct valve settings
- Achieve target flow rates
- Balance hydronic systems
- Easy to use interface
- Saves time
- Quickly determines valve adjustment

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/taco-accu-flo-slide-rule/id1224121763/reviews.md

### 1/5 — Does not operate correctly in an iPhone 15

*2025-10-02*

Cannot change to the valves over 2” nor the help button works

## Frequently asked questions about Taco Accu

### How does Taco Accu-Flo Slide Rule help with system balancing?

Taco Accu-Flo Slide Rule helps by quickly and accurately determining the correct valve settings needed to achieve a target flow rate, simplifying the process of balancing hydronic heating and cooling systems.

### What are the benefits of using Taco Accu-Flo Slide Rule?

Users report that Taco Accu-Flo Slide Rule is easy to use, saves time, and makes system balancing a snap. It quickly determines the necessary valve adjustments for a target flow rate.

### What devices does Taco Accu-Flo Slide Rule support?

Taco Accu-Flo Slide Rule is available for iPhone, iPad, and iPod devices.

### What is the age rating for Taco Accu-Flo Slide Rule?

Taco Accu-Flo Slide Rule has an age rating of 4+, making it suitable for a wide range of users.

### How often is Taco Accu-Flo Slide Rule updated?

Taco Accu-Flo Slide Rule was last updated on April 18, 2017, with version 1.2. The initial release date was April 7, 2017.

### Does Taco Accu-Flo Slide Rule have ads?

No, Taco Accu-Flo Slide Rule does not contain advertisements.

### What is the user rating for Taco Accu-Flo Slide Rule?

Taco Accu-Flo Slide Rule has a perfect rating of 5.0 stars based on one review.

### Is Taco Accu-Flo Slide Rule free to use?

Yes, Taco Accu-Flo Slide Rule is available for free.

## Version history (last 2 releases)

### 1.2 — 2017-04-18

This app has been updated by Apple to display the Apple Watch app icon.

-iPad version
-Image changes

### 1.0 — 2017-04-07

No release notes.

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## More apps by Taco, Inc.

- [Taco Comfort](https://appshunter.io/ios/app/taco-comfort/id461800450)
- [Taco Control](https://appshunter.io/ios/app/taco-control/id6443923649)

All apps by Taco, Inc.: https://appshunter.io/developer/461800454

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*