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telliSize App
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telliSize App


Size it right,

right from your phone

Sizing a water heating system has never been more convenient. With Intellihot’s new telliSize mobile app you can size projects on the go - wherever you are and whenever works best for your schedule. Just enter the parameters for your project, and the app delivers sizing suggestions and a piping diagram. It’s the fastest, easiest way to ensure your water heating system correctly fits your space and budget.

Download the telliSize app from the App Store.

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