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Old 07-25-2018, 12:20 PM   #241
knapper42
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how do you insert 10" pvc into those ducts? Most pvc i'm use to isn't that flexable.
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Old 07-25-2018, 01:41 PM   #242
DQDick
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EMS??[/QUOTE]

Electronis Management System
Surge protector that also checks for all kinds of miss wiring and low or high voltage and shuts you off so nothing is damaged. I use Progressive Industries ones due to their quality and customer service. Had a 50amp for 7 years of full timing. It finally failed and they sent me a brand new one and paid the shipping.
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Old 07-25-2018, 01:43 PM   #243
Texan
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Installing the 10'' piece in the return was no problem. I stuck the piece in length wise of the register then turned it toward the center of the room then pushed it in till it was flush with the vent hole. I just wonder how long a piece i need for the air ducts. i assume i can use the same size diameter but don't no the length without experimenting.
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Old 07-25-2018, 02:09 PM   #244
Golfmedik
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Quote:
Originally Posted by knapper42 View Post
how do you insert 10" pvc into those ducts? Most pvc i'm use to isn't that flexable.
Take out the frame of the return and put the 9" piece in the opening long ways, open the duct with the other hand and twist it into place.
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Old 07-25-2018, 02:19 PM   #245
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Did you use pvc in your a/c ducts. I'm not talking about the return air as i have already done that. If you did use pvc then how long a piece and diameter. Thanks
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Old 07-26-2018, 12:12 AM   #246
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The AC ducts weren't much if a problem as they run through and under the top of the joist that takes the pressure off of them somewhat. Some though have put couplers for PVC pipe inside the opening of the ducts, but I think the most important part of the AC flow is to make sure that the vent itself doesn't stick too far up into the duct and prevent an adequate air flow. The collar on the vent that sticks up into the duct should only be about a half inch tall. Any of them that are over an inch or more cause problems with the flow out of the vent.
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Old 07-26-2018, 06:29 AM   #247
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Has there ever been any HVAC pros do a load calculation on a Montana?
Years ago I worked for a HVAC contractor and we never sold or installed a unit without that info.
I did the pvc modification in the returns and took the supply vent covers off!
Complete difference in air flow, made a huge improvement.
But best thing Iíve done this summer is go North 58 degrees this morning in Baileys Harbor Wisconsin 👍
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