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LoopCAD 2024

Downward losses or back losses can be auto-calculated, or can be specified as a % of the upward load.

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  1. Requirements

    1. What are the system requirements to run PlumbingCAD?

      Operating System: Microsoft Windows 10, 8, or 7 (SP1), with Internet Explorer 9 or higher, and with Microsoft® .NET Framework 4.7
      Processor: 1.5 GHz or higher recommended
      RAM: 2 GB minimum, 8GB or more recommended
      Disk Space: 70 - 150 MB (Microsoft® .NET Framework may require up to 4.5 GB)
      Video: SVGA or higher (Recommend resolution of 1920x1080 or higher)
      Mouse: External mouse with scroll wheel (built-in mouse pads are not recommended)

    2. Can I use PlumbingCAD on a MAC computer?

      PlumbingCAD is a Windows program only and is not Mac compatible. We do have users running LoopCAD on a Mac computers using a Windows emulation software. They say it works fine, but we have done no testing on this and we do not formally support it.

      You are welcome to test the free trial version to see if it will work on your configuration, however we would not be able to offer technical support for this.

    3. Do I need AutoCAD to run PlumbingCAD?

      No. AutoCAD is not required to run PlumbingCAD, but it is able to import AutoCAD 2019 (and earlier) drawing files for use as a template for your plumbing system design, and it can also export to the DWG and DXF file formats.

  2. License and Subscription Questions

    1. Will PlumbingCAD stop working after the subscription expires?

      Yes. PlumbingCAD will stop working after the subscription expires. (This is different than LoopCAD and HeatCAD.)

      See the License and Subscriptions page for more information.

    2. What if I let my subscription expire and then later want to upgrade to renew it?

      If you choose not to renew your annual subscription and then later want to upgrade to a newer version of PlumbingCAD, you can either renew the subscription or purchase a new license. Both options will give you a new 12-month subscription starting on the date you make the purchase.

    3. Do I need to purchase 2 licenses to use PlumbingCAD on my home and work computers?

      The PlumbingCAD license permits one primary-use installation (for example, your office computer) and one secondary-use installation (for example, on a home or notebook computer), provided that they are both for your use only. If you want a secondary-use activation, follow the instructions by clicking here.

      If the second installation is for a different user, then an additional license must be purchased.

    4. If I change computers will my existing activation code still work?

      No it will not. You will need to request a new activation code for the new computer.

      Click here for instructions...

    5. Is there a Network or Multi-user license available for PlumbingCAD?

      No there is not. PlumbingCAD requires a local installation and activation for each user.

      PlumbingCAD is licensed on a per-user basis. See the License and Subscription page for more information.

  3. Activation and Upgrading Help

    1. I have my Activation Code. How do I enter it?

      Click here for instructions...

    2. My Activation Code didn't work. What do I do now?

      Click here for instructions...

    3. I want to purchase and activate a new license.
    4. How do I renew my Annual Subscription?
    5. How do I upgrade to the latest software version?
    6. I want to activate the software on a second computer for my personal use.

      Click here for instructions...

    7. I have a new computer. How do I transfer my activation?

      Click here for instructions...

    8. Can I transfer one of our licenses to a new/different employee?

      Yes you can. You will need to contact us to request a transfer.

  4. Features and Other Questions

    1. What learning resources are available?

      To get started learning, we recommend using the video tutorial.

      www.PlumbingCAD.com/Tutorial

      As well PlumbingCAD provides a comprehensive Help file. From anywhere in the program you can press F1 to open the Help file, or choose the "Help | Contents" menu. You can then browse topics or search the index for keywords.

    2. Can I import PDF drawings?

      Yes you can import PDF drawings or scanned drawings in JPG, PNG, or BMP formats as well as AutoCAD DWG and DXF files.

    3. I am getting an error. How can I send you the details?

      If a program error window appears onscreen, first complete the Name, Email, and Notes fields and then click the "Send Error Report" button. If prompted to include a copy of the project file, choose Yes.

      It is often helpful if you enter a brief description into the Notes field explaining what you were doing or attempting when the error occurred.

      We will review the error details and then contact you.