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06-11-2019, 08:02 AM
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#61
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,547
M.O.C. #2283
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Quote:
Originally Posted by mazboy
Just mentioning that this thread was started in August, 2014. I figure they have figured it out by now...you think?
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They have got it figured out, just not willing to fix the problem. 12,000 BTUs cools 700 square feet of my home and 24,000 wont cool a 400 square foot camper. Come on! It’s the duck work, the insulation or the AC units or probably all of the above.
Lynwood
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06-11-2019, 08:20 AM
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#62
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Montana Master
Join Date: Jun 2017
Location: POINTBLANK
Posts: 1,887
M.O.C. #19944
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OP may have started in 2014 - but as Lynwood mentioned above … not willing - in time hopefully. My '17 was good the first two trips and then went to heck quickly. Dealer added kits on the return during warranty visit and vents have been modified. Depending on time this summer, will make removable blockers for stairs. Had a thought reading this about using the screen blocker to possible cover the whole slide, not just the window (pros/cons?)
__________________
RAM 22' DRW 3500 Crew LB 40 gal reserve tank / RETRAX Bed Cover / 2020 373RD HC / IS / MOPEKA Tank Monitor / Furrion Side&Rear Cameras
Slide Toppers / EMS-HW50C / Sailun 85's
3rd AC / Dometic 320
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06-11-2019, 08:50 AM
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#63
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Montana Master
Join Date: Mar 2019
Location: Milwaukie, OR
Posts: 1,468
M.O.C. #23668
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re: Collapsed Ducts
I saw this and wondered if those who have ducts that are collapsing also have this newer duct joint. Is it actually helping this issue?
__________________
Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana HC 305RL / HW Progressive EMS
2015 RAM 3500 Laramie Longhorn Crew Cab 4x4 DRW / Demco Recon Hitch on RAM Puck Ball
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06-11-2019, 11:18 AM
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#64
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Seasoned Camper
Join Date: Apr 2018
Location: El Paso
Posts: 68
M.O.C. #21551
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rsaylor3
Got them from ebay for under $13 each. i replaced them all .Made a big difference
__________________
2017 3660FL ALPINE 6 SLIDE
2021 F350 DRW Long Bed 6.7 Diesel Lariat Ultimate
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06-11-2019, 11:52 AM
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#65
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Montana Master
Join Date: Jun 2017
Location: POINTBLANK
Posts: 1,887
M.O.C. #19944
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Quote:
Originally Posted by E Rod
rsaylor3
Got them from ebay for under $13 each. i replaced them all .Made a big difference
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How'd you get them in? How many do you need? Guess I need to fire up the bore scope and go looking
__________________
RAM 22' DRW 3500 Crew LB 40 gal reserve tank / RETRAX Bed Cover / 2020 373RD HC / IS / MOPEKA Tank Monitor / Furrion Side&Rear Cameras
Slide Toppers / EMS-HW50C / Sailun 85's
3rd AC / Dometic 320
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06-11-2019, 12:00 PM
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#66
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Seasoned Camper
Join Date: May 2019
Location: Debary
Posts: 52
M.O.C. #24033
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Thanks!! I will be looking into it for sure!
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06-11-2019, 12:59 PM
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#67
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Seasoned Camper
Join Date: Apr 2018
Location: El Paso
Posts: 68
M.O.C. #21551
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You may also want to add additional Return air grills closer to the ac unit. I installed one in the center directly underneath each unit. You can feel the difference as more air is drawn into the ac. I removed one of the return grills and used a flashlight and a mirror to make sure i was making the cutout in the right place . If you cut a hole in the wrong spot, you might end up with an additional supply air to the room in which case you can cover the hole by adding another grill . I used a very small drill bit when i punch the hole through , just in case.
__________________
2017 3660FL ALPINE 6 SLIDE
2021 F350 DRW Long Bed 6.7 Diesel Lariat Ultimate
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06-11-2019, 06:42 PM
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#68
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Montana Fan
Join Date: Aug 2017
Location: Olmsted Falls
Posts: 215
M.O.C. #20364
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Jeff - do you know what year Keystone started adding these?
__________________
Rick & Joyce Jones
RMC(SW) USN Ret.; AT&T Ret.
2024 3231CK, IS, 400W Solar, Slide covers, Predator Gen,, 2016 Chevy High Country 3500 Diesel Dually
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06-11-2019, 07:17 PM
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#69
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Seasoned Camper
Join Date: May 2019
Location: Debary
Posts: 52
M.O.C. #24033
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I just got back from my 2020. I cut every other rib on the vents. Made a big difference in air flow.
I checked my returns and no collapsing of the ducting m it appears that they did make changes to the design. They added supports. They are hard plastic and seem to be doing the job without stopping air flow.
I still feel like my whisper quiet is moving less air than the regular 15k unit up front.
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06-11-2019, 07:47 PM
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#70
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Montana Fan
Join Date: Oct 2014
Location: Monroe
Posts: 183
M.O.C. #15746
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AC Duct Work
Quote:
Originally Posted by rsaylor3
I have a 2020 high country that we just bought. It seems the a/c tracks in the ceiling are rectangular and made of pretty hard foam. Do these collapse as you are speaking about? Or is this collapsing in older models with more traditional round ducting?
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Dear Rsaylor3,
Your 2020 High Country has newly developed duct work. Keystone also utilized the Tuf-Lok A/C duct joiners. This collar is new to the industry and patented by Keystone. The link below will show you a picture of the Tuf-Lok. In general, yes your duct work and system is updated.
https://www.keystonerv.com/upper-nav...e-innovations/
__________________
DBA Samtana
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06-11-2019, 08:04 PM
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#71
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Montana Master
Join Date: Sep 2017
Location: Florence
Posts: 945
M.O.C. #20472
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Quote:
Originally Posted by Montana Man
I have the same trailer but I only have two return vents in the living area. Where are your four vents?
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Two in the living area and two in the bedroom
__________________
2018 Ram 3500 MegaCab 4x4 Aisin, 4:10 Gears
Titan 50 Gal Tank, Air Lift Wireless Bags
2017 3160 RL
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06-11-2019, 08:42 PM
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#72
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Montana Master
Join Date: Mar 2019
Location: Milwaukie, OR
Posts: 1,468
M.O.C. #23668
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Quote:
Originally Posted by Our3820FK
Jeff - do you know what year Keystone started adding these?
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I don't. The video was posted in Oct, 2017 so possibly going into the 2018 production year? He does say in the comments that this was brand new at that time.
__________________
Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana HC 305RL / HW Progressive EMS
2015 RAM 3500 Laramie Longhorn Crew Cab 4x4 DRW / Demco Recon Hitch on RAM Puck Ball
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07-05-2019, 12:00 PM
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#73
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New Member
Join Date: Jul 2019
Location: Poth
Posts: 5
M.O.C. #24424
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I have a 2019 40 ft 5th wheel. When it’s hot outside, the ac will cut out for a second and then start blowing again. It sounds like the compressor is still running but just the fan quits blowing. Is this normal or any idea what it is ? Thanks
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07-08-2019, 06:05 AM
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#74
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Montana Master
Join Date: Aug 2012
Location: Northport
Posts: 624
M.O.C. #12724
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Quote:
Originally Posted by sterling2349
I have a 2019 40 ft 5th wheel. When it’s hot outside, the ac will cut out for a second and then start blowing again. It sounds like the compressor is still running but just the fan quits blowing. Is this normal or any idea what it is ? Thanks
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I'm guessing your running your fan in auto. Try running fan on high on these really hot days.
__________________
Paul Northport,AL W4XH
2013 358 RLT Mountaineer
2008 Silverado Duramax
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07-08-2019, 08:36 AM
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#75
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Montana Fan
Join Date: Feb 2017
Location: No Town
Posts: 432
M.O.C. #19482
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Quote:
Originally Posted by DQDick
First you make sure your return airs are open using the PVC pipe. Then you open the supply vents and trim the pvc that it attaches to so it doesn't extend up and partiually block the ducts. Then, it that still doesn't work you add the third AC so that you can run all three at the same time, then you're cool. You know how I know.
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How are you installing the PVC? I'm a visual learner - any pictures?
__________________
Don & Ann Wheeler:
2017 Montana 3791RD, 2017 RAM 3500 Diesel Dually, Aisin, 4.10, Sailuns, Disk Brakes, TST TPMS.
Don: USAF Ret., Fighter Pilot - Vietnam Vet '66-'67 & Ann: Ret., Texas A&M Ph.D.
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07-08-2019, 08:01 PM
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#76
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New Member
Join Date: Jul 2019
Location: Poth
Posts: 5
M.O.C. #24424
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Quote:
Originally Posted by psomers
I'm guessing your running your fan in auto. Try running fan on high on these really hot days.
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I have been runnin it in auto. I will try that. Thanks
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07-08-2019, 09:31 PM
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#77
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Montana Fan
Join Date: Mar 2019
Location: Chino Valley
Posts: 226
M.O.C. #23720
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I’m with awheeler pics would be great for the pvc inserted. I get the idea, but what keeps it from moving around?
__________________
Steven & Denise
New to us 2014 3150RL
Chino Valley, AZ
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07-09-2019, 08:15 AM
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#78
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Montana Master
Join Date: Jun 2017
Location: POINTBLANK
Posts: 1,887
M.O.C. #19944
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it is tight enough that the pressure for roof above and ceiling below keep it from moving
__________________
RAM 22' DRW 3500 Crew LB 40 gal reserve tank / RETRAX Bed Cover / 2020 373RD HC / IS / MOPEKA Tank Monitor / Furrion Side&Rear Cameras
Slide Toppers / EMS-HW50C / Sailun 85's
3rd AC / Dometic 320
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08-21-2019, 03:32 PM
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#79
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Seasoned Camper
Join Date: Apr 2017
Location: Little Slice of Heaven..Missouri
Posts: 98
M.O.C. #19731
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Quote:
Originally Posted by awheeler
How are you installing the PVC? I'm a visual learner - any pictures?
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I’m with you! Some of us Newbies have no idea how exactly to use the PVC idea mentioned. ( Your's Truly )
Can someone post a diagram or something so we can better understand how to fix this problem?
Also in extremely hot temps should you run fans on high or auto?
I know these seem like silly questions, but your experience is appreciated! Thanks!
__________________
2018 Montana 3721RL
2018 Ford F350 6.7 Turbo Diesel
Life Comes Down to a Simple Choice..Get Busy Living or Get Busy Dying
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08-21-2019, 05:04 PM
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#80
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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AC = fans on high.
__________________
John & Patty
2022 3855 BR
2019 Lariat F350 4X4 Dually
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