# Duct Connections

**URL:** <https://forum.dynamobim.com/t/duct-connections/28626>\
**Category:** Uncategorized\
**Created:** [November 19, 2018, 9:19am UTC](https://forum.dynamobim.com/t/duct-connections/28626 "2018-11-19T09:19:20Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [November 19, 2018, 9:19am UTC](https://forum.dynamobim.com/t/duct-connections/28626/1 "2018-11-19T09:19:20Z")

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@T_Pover  
hello sir. if you dont mind can you share with me the whole tree for this 5pc air terminal and 5pc duct that is connected by a flexible duct. i am very new to dynamo and i tried to replicate the tree but i am having difficulties with the lowest code block that has this list. also i already downloaded the package MEPover.  
thank you in advance. and cheers to your great work.

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**Author:** ![T\_Pover](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/t_pover/32/19147_2.png) [@T\_Pover](https://forum.dynamobim.com/u/T_Pover)\
**Post date:** [November 19, 2018, 9:37am UTC](https://forum.dynamobim.com/t/duct-connections/28626/2 "2018-11-19T09:37:06Z")

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Hi @DaddyVader_16,

I’m afraid I no longer have that file so I cannot share it.  
What I would suggest is to first try to connect a single duct with a single air terminal and if you can get that to work then try multiple ducts with multiple air terminals.  
Set up a little test file for yourself and start testing: going from really easy to more complex.

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**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [November 19, 2018, 10:22am UTC](https://forum.dynamobim.com/t/duct-connections/28626/3 "2018-11-19T10:22:18Z")

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![sample](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/f/d/fd0d3dd9a027a855ffba1da3e11af666c737ea46.jpeg)

oh that is ok sir @T_Pover .  
so going from here i don’t understand why it isn’t working. can’t seem to get the type name just like on the picture you had shared before. i know i am missing something but funny i don’t know what exactly it is.  
thank you sir.

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**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\
**Post date:** [November 19, 2018, 12:43pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/4 "2018-11-19T12:43:44Z")

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I moved this to a new topic as that one was already solved and this felt as if it was branching off. @DaddyVader_16 fee free to link us back to any specifics on that thread which will help out. Specifically I think the graph in question (you referred to a 5pc air terminal and 5pc duct that is connected by a flexible duct).

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<div class="post-metadata">

**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [November 19, 2018, 2:53pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/5 "2018-11-19T14:53:06Z")

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thank you sir.  
as of now i still can’t get it to work. so above as you can see, i have this tree and i have a 5pc air terminal and a 5pc duct. i want to connect it via a flexible duct. can anyone help me solve this? i am very new to dynamo so it will be a big help for anyone to make me understand what am i missing or done wrong. thank you in advance.

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<div class="post-metadata">

**Author:** ![T\_Pover](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/t_pover/32/19147_2.png) [@T\_Pover](https://forum.dynamobim.com/u/T_Pover)\
**Post date:** [November 20, 2018, 9:04am UTC](https://forum.dynamobim.com/t/duct-connections/28626/6 "2018-11-20T09:04:08Z")

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Are you sure you have the input elements lined up properly? The first duct in your list of ducts needs to connect to the first air terminal in your list:

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/c/e/ceac73af57c104d2234b9df49713609b4db3c0cc.png)

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**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [November 20, 2018, 10:03am UTC](https://forum.dynamobim.com/t/duct-connections/28626/7 "2018-11-20T10:03:29Z")

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![sample2](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/1/7/174372be0089bf6307e9767e8ed063ac656cc6ff.jpeg)

sorry but i still can’t get it to work. i tried what you said sir. but i only get “run completed with warnings.”  
at the code block with a warning it says "warning:no function called %get\_name on a revit.elements.elements etc…  
really sorry if i am taking too much of your time. and thank you very much

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**Author:** ![m.rijsmus](https://avatars.discourse-cdn.com/v4/letter/m/6f9a4e/32.png) [@m.rijsmus](https://forum.dynamobim.com/u/m.rijsmus)\
**Post date:** [November 20, 2018, 10:04am UTC](https://forum.dynamobim.com/t/duct-connections/28626/8 "2018-11-20T10:04:52Z")

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Try Get Parameter Value by Name and use Type Name as parameter name

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<div class="post-metadata">

**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [November 20, 2018, 10:15am UTC](https://forum.dynamobim.com/t/duct-connections/28626/9 "2018-11-20T10:15:28Z")

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![sample3](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/9/1/919789f7b0fb0e6824aa760bd0dff23971f31ff3.jpeg)

i was able to get rid of the warning now. but nothing happened when i ran it.

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**Author:** ![luongdao007](https://avatars.discourse-cdn.com/v4/letter/l/5f8ce5/32.png) [@luongdao007](https://forum.dynamobim.com/u/luongdao007)\
**Post date:** [November 20, 2018, 10:41am UTC](https://forum.dynamobim.com/t/duct-connections/28626/10 "2018-11-20T10:41:24Z")

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Capitalize first word.  
 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/9/4/940a559ad1009076da87a0616accf8c97c66070c.png)

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<div class="post-metadata">

**Author:** ![T\_Pover](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/t_pover/32/19147_2.png) [@T\_Pover](https://forum.dynamobim.com/u/T_Pover)\
**Post date:** [November 20, 2018, 12:37pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/11 "2018-11-20T12:37:28Z")

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Can you show a screenshot of the Revit elements you want to connect?

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<div class="post-metadata">

**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [November 20, 2018, 12:57pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/12 "2018-11-20T12:57:38Z")

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![sample4](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/b/a/bac4fcc17160295f2e8365ced88b1eec3781a59e.jpeg)

here is it sir.  
dont understand why is it still not working. is dynamo program version a factor?

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<div class="post-metadata">

**Author:** ![m.rijsmus](https://avatars.discourse-cdn.com/v4/letter/m/6f9a4e/32.png) [@m.rijsmus](https://forum.dynamobim.com/u/m.rijsmus)\
**Post date:** [November 20, 2018, 1:07pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/13 "2018-11-20T13:07:42Z")

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What happens if you select one duct and one air terminal?

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<div class="post-metadata">

**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [November 20, 2018, 1:11pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/14 "2018-11-20T13:11:31Z")

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it runs completely but nothing happens.  
its giving the watch node a null, i don’t know why really.

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<div class="post-metadata">

**Author:** ![T\_Pover](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/t_pover/32/19147_2.png) [@T\_Pover](https://forum.dynamobim.com/u/T_Pover)\
**Post date:** [November 22, 2018, 10:19am UTC](https://forum.dynamobim.com/t/duct-connections/28626/15 "2018-11-22T10:19:43Z")

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That’s odd, could you share you Revit file for testing?

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<div class="post-metadata">

**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [December 5, 2018, 7:48am UTC](https://forum.dynamobim.com/t/duct-connections/28626/16 "2018-12-05T07:48:08Z")

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Hi sir, sorry i wasn’t able to reply in a while.  
it seems i cannot upload a file here because of a new user restriction.

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**Author:** ![T\_Pover](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/t_pover/32/19147_2.png) [@T\_Pover](https://forum.dynamobim.com/u/T_Pover)\
**Post date:** [December 5, 2018, 1:18pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/17 "2018-12-05T13:18:10Z")

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Maybe you could try a dropbox or google drive link and post that here?

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<div class="post-metadata">

**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [January 7, 2019, 10:18am UTC](https://forum.dynamobim.com/t/duct-connections/28626/18 "2019-01-07T10:18:01Z")

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> **[my 1st attempt in dynamo.dyn](https://www.dropbox.com/s/63gwzjnjgv666q7/my%201st%20attempt%20in%20dynamo.dyn?dl=0)**
>
> Shared with Dropbox

> **[Project1.rvt](https://www.dropbox.com/s/t6kl2rzybr763rn/Project1.rvt?dl=0)**
>
> Shared with Dropbox

thank you so much for keeping up with me and sorry i haven’t gotten back quickly.  
here are the links for dynamo and revit file respectively.  
thank you again.

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<div class="post-metadata">

**Author:** ![T\_Pover](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/t_pover/32/19147_2.png) [@T\_Pover](https://forum.dynamobim.com/u/T_Pover)\
**Post date:** [January 9, 2019, 8:59am UTC](https://forum.dynamobim.com/t/duct-connections/28626/19 "2019-01-09T08:59:11Z")

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I see the problem: the connections on the ducts and air terminals are rectangular, so it would need a transition fittings from rectangular to round to create a round flex duct between them. I will see if I can incorporate this into the node.

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<div class="post-metadata">

**Author:** ![DaddyVader\_16](https://avatars.discourse-cdn.com/v4/letter/d/eb9ed0/32.png) [@DaddyVader\_16](https://forum.dynamobim.com/u/DaddyVader_16)\
**Post date:** [January 9, 2019, 1:00pm UTC](https://forum.dynamobim.com/t/duct-connections/28626/20 "2019-01-09T13:00:49Z")

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thank you sir, i will also try to convert the air terminal’s connection into round.  
thank you again.

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