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(Moderator:
Nick Badame Refrig/ACC
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Vent Pipe Sealing
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Topic: Vent Pipe Sealing (Read 7169 times)
Red Rider
God put me here to accomplish certain things--- I'm so far behind I'll never die.
Sr. Member
Posts: 297
Re: Vent Pipe Sealing
«
Reply #15 on:
December 01, 2011, 05:58:37 PM »
FWIW: I simply follow the plumbing code (UPC) and used a 1 1/2" ABS vertical pipe extending through the roof. I sealed it as Melbo stated with the rubber to the exterior. I took it upon myself to screw a ABS tee ( painted to match the finish) and mounted it facing front to rear. 6000 miles this past summer and no problems.
Logged
Mike AKA; Red Rider 4106-1885
Scott & Heather
Scott & Heather's buses: MCI-9 & MCI-102
Hero Member
Posts: 4636
MCI-9 & MCI-102
Re: Vent Pipe Sealing
«
Reply #16 on:
December 01, 2011, 06:23:49 PM »
Another vote for the "through the floor" vent pipe. Works great, one less leak potential on the roof...and no issues whatsoever.
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Scott & Heather
1984 MCI 9 6V92-turbo with 9 inch roof raise (SOLD)
1992 MCI 102C3 8v92-turbo with 8 inch roof raise CURRENT HOME
Click link for 900 photos of our 1st bus conversion:
https://goo.gl/photos/GVtNRniG2RBXPuXW9
Brassman
Sr. Member
Posts: 371
Re: Vent Pipe Sealing
«
Reply #17 on:
December 01, 2011, 06:34:54 PM »
Not that it matters, but venting underneath is a violation of the NFPA 1192 RV code. At the very least people should know that there is a code--the enforcement is up to the guy doing the conversion. Personally, I don't care how someone vents their sewage tank. Just saying.
Logged
luvrbus
Hero Member
Posts: 26060
Re: Vent Pipe Sealing
«
Reply #18 on:
December 01, 2011, 06:40:01 PM »
Out the bottom is not a vent just a overflow all seated coaches rest room equipped are power vented with a fan Prevost has a sealed SS tank with a vent fan and they stink lol
good luck
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Life is short drink the good wine first
buddydawg
Hero Member
Posts: 615
Re: Vent Pipe Sealing
«
Reply #19 on:
December 01, 2011, 06:41:00 PM »
I have had mine vented out the bottom for 3 years. 2 - 2" inch vents on opposite sides of the tank. No issues so far. Just sayin..
Although I did leave provisions to vent through the roof if I find myself inclined.
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1972 GMC T6H-5308A #024
Brandon Stewart - Martinez, GA
Bill 340
Full Member
Posts: 194
Re: Vent Pipe Sealing
«
Reply #20 on:
December 01, 2011, 07:56:54 PM »
Eagle 19952, of course we are suicidal and homicidal== WERE BUS NUTS
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Bill & Brenda Phelan
Lakeland florida..........Host of the ARCADIA RALLY
Lin
Hero Member
Posts: 5531
1965 MC-5a
Re: Vent Pipe Sealing
«
Reply #21 on:
December 01, 2011, 08:49:02 PM »
Well, everyone knows that codes are merely handy suggestions. This reminds me of a guy that wanted an easy way to connect his RV generator to his house in an emergency. He made his own connection cord with male plugs on both sides. He said it worked fine. Nothing could go wrong with that, right?
To be honest, if I were building new, that vent would go out the roof. However, depending on the complexity in a retrofit, I might cheat.
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You don't have to believe everything you think.
Ed Hackenbruch
Hero Member
Posts: 2984
Re: Vent Pipe Sealing
«
Reply #22 on:
December 02, 2011, 06:46:49 AM »
I like to use Dicor Lap Sealant when i want to make sure something isn't going to leak.
Logged
Used to own a 1968 MCI 5A and a 1977 5C.
thomasinnv
Derrick Thomas
Hero Member
Posts: 1492
I may be nuts, but only for buses
Re: Vent Pipe Sealing
«
Reply #23 on:
December 02, 2011, 08:53:52 AM »
Quote from: Ed Hackenbruch on December 02, 2011, 06:46:49 AM
I like to use Dicor Lap Sealant when i want to make sure something isn't going to leak.
x2
Logged
Some are called, some are sent, some just got up and went.
1998 MCI 102-DL3
Series 60 12.7/Alison B500
95% converted (they're never really done, are they?)
buswarrior
Hero Member
Posts: 6569
the old one: '75 MC8 with an 8V71 HT740
Re: Vent Pipe Sealing
«
Reply #24 on:
December 02, 2011, 04:25:13 PM »
Long ago, a busnut said they used the fitting that goes in the bottom of the kitchen sink as their roof sealing/penetrating device.
Doesn't stick up above the roof and hooks right up to regular plumbing fittings underneath.
Since we all enjoy leak free sink drains in our kitchens without another thought...
pretty neat idea?
happy coaching!
buswarrior
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Frozen North, Greater Toronto Area
new project: 1995 MCI 102D3, Cat 3176b, Eaton Autoshift
Melbo
Hero Member
Posts: 1332
MC8 under construction
Re: Vent Pipe Sealing
«
Reply #25 on:
December 02, 2011, 04:48:46 PM »
I repair leaks under kitchen sinks every week. A sink basket strainer assembly is not typically designed for a flexible install or any type of movement.
I would stick with something designed for a roof installation that is flexible.
BUT we are busnuts and we get a chance to do it anyway we want and then do it again and then do it again and -------------
Some things I have done LOTS and LOTS of times.
Just my way.
HTH
YMMV
Melbo
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If it won't go FORCE it ---- if it breaks it needed to be replaced anyway
Albuquerque, NM MC8 L10 Cummins ZF
Scott & Heather
Scott & Heather's buses: MCI-9 & MCI-102
Hero Member
Posts: 4636
MCI-9 & MCI-102
Re: Vent Pipe Sealing
«
Reply #26 on:
December 04, 2011, 10:16:50 AM »
if I were to run it through the roof, I would use some sort of clamshell type fitting that squeezes on both the inside and outside of the roof and use eternabond double sided to seal it. I've used hundreds of dollars of the stuff...and it's amazing.
Logged
Scott & Heather
1984 MCI 9 6V92-turbo with 9 inch roof raise (SOLD)
1992 MCI 102C3 8v92-turbo with 8 inch roof raise CURRENT HOME
Click link for 900 photos of our 1st bus conversion:
https://goo.gl/photos/GVtNRniG2RBXPuXW9
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Vent Pipe Sealing
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