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06-02-2015, 12:37 PM
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#1
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Senior Member
Join Date: May 2015
Location: The Historic Triangle, Virginia
Posts: 117
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Blocking off an A/C vent?
So during last weekend's shake down trip of the '15 31SQB, we noticed that the a/c vent in the head blows like mad. I'm assuming because it's the closest one to the A/C. I would like to slow down the amount of air coming out of that particular vent to increase the flow of air elsewhere. I thought of blocking off half of it with white duct tape, but wanted to get some suggestions from all y'all that are smarter than me. Thanks in advance.
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06-02-2015, 02:04 PM
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#2
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Senior Member
Join Date: Jan 2015
Location: West Virginia
Posts: 1,271
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Bet you were in the navy thanks for serving Ike 1980 to 1984
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Navy 1980-1984
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06-02-2015, 02:05 PM
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#3
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Senior Member
Join Date: Apr 2015
Location: RDU Carolina
Posts: 129
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You should be able to adjust the opening by turning the vent...the range is closed all the way shut to open to about an inch.
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06-02-2015, 02:25 PM
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#4
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Senior Member
Join Date: May 2015
Location: The Historic Triangle, Virginia
Posts: 117
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Quote:
Originally Posted by Face Down
You should be able to adjust the opening by turning the vent...the range is closed all the way shut to open to about an inch.
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I wish my vents were that style. I have the style with angled slats where the whole thing spins around to direct the flow of air, but nothing to slow it down.
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2015 Cougar X-Lite 31SQB
2015 Chevy 2500HD Z71 Duramax
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06-02-2015, 02:51 PM
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#5
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Senior Member
Join Date: Feb 2013
Location: MA
Posts: 3,153
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Maybe you can switch the vent cover. If not tape might work or maybe foil inside the vent.
On the other hand you have AC in the bathroom, I do not have heat or AC in mine...
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2013 Premier 31BHPR
2014 F350 6.2L
Soon to be just DW and I
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06-02-2015, 02:55 PM
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#6
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Senior Member
Join Date: Apr 2015
Location: RDU Carolina
Posts: 129
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Quote:
Originally Posted by Seabee
I wish my vents were that style. I have the style with angled slats where the whole thing spins around to direct the flow of air, but nothing to slow it down.
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Gotcha...you might be able to swap it out for the one that I posted above.
http://www.amazon.com/5840WH-Airepor...rds=rv+ac+vent
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2016 Keystone Carbon 357
2006 F350 4WD CC LB DRW (aka Big Sexy)
Reese 20K Goose Box/Draw-Tite Remove-a-Ball
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06-02-2015, 03:02 PM
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#7
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Senior Member
Join Date: May 2015
Location: The Historic Triangle, Virginia
Posts: 117
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Switching out the vent seems to be the answer, so how do I remove the old one? Does it just pop out? I tried prying on it a little bit but it felt like it was going to break.
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2015 Cougar X-Lite 31SQB
2015 Chevy 2500HD Z71 Duramax
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06-02-2015, 05:25 PM
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#8
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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The part that turns will "pop out" but the remainder of the vent is "hard installed" in the ducting.
You can buy a replacement vent with baffles in it at CW (or most RV parts stores). There are available baffled vents available so that you only have to pop out the rotating part and pop in the baffled rotating part.
Remember that air "whistles, hisses or howls" when restricted, so be prepared for some increased noise at the bathroom vent. Otherwise, go for it, the very worst that could happen is some condensation forming where the reduced volume of air blows.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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06-02-2015, 05:34 PM
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#9
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Senior Member
Join Date: May 2010
Location: Rochester, NY
Posts: 1,605
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Same thing in my bathroom. I removed the cover and placed a few pieces of neatly cut black duct tape over 1/2 of the opening and replaced the cover.
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06-02-2015, 05:36 PM
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#10
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Senior Member
Join Date: May 2015
Location: The Historic Triangle, Virginia
Posts: 117
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Thanks for the help Gents.
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2015 Cougar X-Lite 31SQB
2015 Chevy 2500HD Z71 Duramax
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06-02-2015, 05:37 PM
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#11
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Senior Member
Join Date: May 2015
Location: The Historic Triangle, Virginia
Posts: 117
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Quote:
Originally Posted by therink
Same thing in my bathroom. I removed the cover and placed a few pieces of neatly cut black duct tape over 1/2 of the opening and replaced the cover.
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So did your fix keep the head from being a meat locker and sending the cool air to the rest of the rig?
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2015 Cougar X-Lite 31SQB
2015 Chevy 2500HD Z71 Duramax
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06-03-2015, 04:32 AM
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#12
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Senior Member
Join Date: Jun 2014
Location: Saint Louis
Posts: 235
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Some have posted that their ducts are poorly sealed. If that's the case, you may have additional cooling loss due to the increased pressure. Listening to a home improvement show on the radio once, and the HVAC expert advised against even closing vents in the home. He stated the increased system pressure results in more leaking from the duct work, negating any benefit.
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2012 Ford Expedition EL Limited
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06-03-2015, 06:05 AM
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#13
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Senior Member
Join Date: May 2015
Location: The Historic Triangle, Virginia
Posts: 117
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Quote:
Originally Posted by jkohler70
Some have posted that their ducts are poorly sealed. If that's the case, you may have additional cooling loss due to the increased pressure. Listening to a home improvement show on the radio once, and the HVAC expert advised against even closing vents in the home. He stated the increased system pressure results in more leaking from the duct work, negating any benefit.
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Good point. I didn't think of that. I wonder though if it would really make that much of a difference in only 30 feet. If I'm only partially blocking off one vent, shouldn't the extra pressure take the path of least resistance? If I was blocking off multiple vents, then I could see leaks showing up. I'm rationalizing of course but my head is getting slap cold.
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2015 Cougar X-Lite 31SQB
2015 Chevy 2500HD Z71 Duramax
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06-03-2015, 07:21 AM
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#14
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Senior Member
Join Date: Jul 2014
Location: Nevada
Posts: 2,695
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Get yourself a cool baseball cap or hoodie with appropriately provocative logo and enjoy the increased warmth and entertainment factor.
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Desert185 🇺🇸 (Retired Chemtrail vendor)
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06-03-2015, 07:26 AM
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#15
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Senior Member
Join Date: May 2015
Location: The Historic Triangle, Virginia
Posts: 117
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Quote:
Originally Posted by Desert185
Get yourself a cool baseball cap or hoodie with appropriately provocative logo and enjoy the increased warmth and entertainment factor.
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LOL!! When I said "head" I meant bathroom.
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2015 Cougar X-Lite 31SQB
2015 Chevy 2500HD Z71 Duramax
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06-03-2015, 08:30 AM
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#16
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Senior Member
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Location: B.C
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06-03-2015, 08:37 AM
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#17
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,692
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I don't think blocking off 1/2 of the bathroom vent will cause any problems with airflow elsewhere....if so why would they make adjustable vents?? Plus with an RV AC you're not talking about 10,000cfm moving thru the ducts. I would go for it if it is an acceptable mod to you.
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06-03-2015, 10:53 AM
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#18
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Senior Member
Join Date: Jul 2014
Location: Nevada
Posts: 2,695
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Quote:
Originally Posted by Seabee
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As an Army guy, we use latrine instead of head. Avoids confusion.
__________________
Desert185 🇺🇸 (Retired Chemtrail vendor)
-Ram 2500 QC, LB, 4x4, Cummins HO/exhaust brake, 6-speed stick.
-Andersen Ultimate 24K 5er Hitch.
-2014 Cougar 326SRX, Maxxis tires w/TPMS, wet bolts, two 6v batts.
-Four Wheel 8' Popup Camper.
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06-03-2015, 07:46 PM
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#19
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Senior Member
Join Date: Oct 2010
Posts: 174
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duct tape....IS duct tape. yo can do it if you have not adjustments
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06-03-2015, 07:56 PM
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#20
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Senior Member
Join Date: Apr 2013
Location: Green Valley, AZ
Posts: 782
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I would go with removing whatever part you can and blocking the vent partially with the duct tape. I would probably go for 3/4 the vent. You should still have more than enough going into the head/latrine/john/bathroom/toilet . I sure wouldn't worry about velocity in an RV. I've always gone through adjusting those vents to get the air where I want it.
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2007 33.5' Arctic Fox Fifth Wheel used for full-timing for several years--now sold
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