New app does not match circuit setters
This new app does not support American model STAD and STAF circuit setters. The app only contains sizing for European DIN numbers and not American sizes. I had to use the TA circuit setter wheel to balance the system.
Update
Thanks for the update! Glad I can use it again!
Calculator doesn't work
I really like the app. It's easy to use. I wish all balancing valves had an app so I didn't have to worry about keeping track of a balancing wheel. There is one problem however. On this app I'm able to put in my setting and my pressure drop and the valve model but not the size of the valve. Every time I put in my info and it spits out a gpm it's never correct. I think it has to do with the fact you can't put in the valve size. Unless I'm missing it somewhere.
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Reduced pipe materials selection
Use this app a lot especially the pipe sizing section, particular for comparing sizes for different pipe materials. However, since the region function update, the plastic pipe such as Aquatherm Climatherm or the ABS pipes have disappeared. GFs Instaflex and Aquasystem are used in the UK along with Aquatherms Climatherm and Fusiotherm pipe systems, as well as those from Polypipe etc. it would be great to have these piping systems included in the app for comparison agains the traditional steel and copper.
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Failed Update
The latest update does not let this app load properly. I use this app all the time for my work. I'm a iPhone 4S user please fix. Was a 5 star but now it's useless and simply a waste of space on my phone until it's fixed


