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12-22-2020, 08:54 PM
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#1
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Bus Geek
Join Date: Jan 2019
Location: Philadelphia
Posts: 7,000
Year: 2003
Coachwork: International
Chassis: CE 300
Engine: DT466e
Rated Cap: 65C-43A
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Looking for a flexible sink drain pipe material
My kitchen sink drain is going to follow a twisty path around behind my shower stall, joining with the tub drain on the underside of my bus. I'm looking for a flexible hose-like material that I can use for this purpose, and I'm wondering if this PVC bilge pump discharge tubing would work: https://www.lowes.com/pd/EZ-FLO-1-1-...ing/1000180583
This is the path my drain needs to follow:
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12-22-2020, 11:14 PM
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#2
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Bus Nut
Join Date: Dec 2017
Location: Sandpoint, ID
Posts: 541
Year: 2003
Coachwork: Girardin Microbird MB-IV
Chassis: Ford E450
Engine: 7.3 Diesel
Rated Cap: 25
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I would look for something with a smooth inside like PVC or vinyl hose. Less likely to clog up with gunk.
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12-22-2020, 11:23 PM
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#3
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Bus Nut
Join Date: Sep 2017
Location: Cerrillos, NM
Posts: 393
Year: 2002
Coachwork: Amtran
Chassis: Front Engine
Engine: DT466E
Rated Cap: 72
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Maybe radiator hose? It’s large, smooth and flexible but I’m not sure what kinda lengths it comes in.
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12-22-2020, 11:35 PM
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#4
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Bus Geek
Join Date: Sep 2018
Posts: 2,831
Year: 2007
Coachwork: Thomas Built
Chassis: Minotour
Engine: Chevy Express 3500 6.6l
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Spa hose sold by the foot at Home Depot
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12-23-2020, 06:38 AM
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#5
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Bus Crazy
Join Date: Oct 2020
Location: Near Flagstaff AZ
Posts: 1,951
Year: 1974
Coachwork: Crown
Chassis: "Atomic"
Engine: DD 8V71
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Like peakbus said...stay away from anything that's corrugated on the inside. I cringe when I see people using that accordion-style flexible sink drain pipe they sell in the plumbing departments. Those pleats become traps for stinky, nasty gunk...
I can't tell from that photo if that bilge discharge tubing is smooth inside or not. If it is, that should work fine. We like to use kanaflex kanalite and it holds up really well. The interior wall is smooth. If you can find anything like that, you should be golden. Kanalite Blue
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12-23-2020, 08:10 AM
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#6
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Mini-Skoolie
Join Date: Jul 2020
Location: Ohio
Posts: 34
Year: 2003
Coachwork: Blue Bird
Chassis: All American RE
Engine: Cummins 8.3L ISC - 315HP
Rated Cap: Lots of kids.
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Quote:
Originally Posted by Danjo
Spa hose sold by the foot at Home Depot
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I also suggest spa flex tubing. It is relatively smooth inside to not trap gunk, but it can be a little rigid (increasing with tube diameter); however, slight heating can help make bending a little easier. Plus you can use typical PVC cement for a good leak free seal. I worked with it a lot in undergrad/grad school in aquaculture.
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12-23-2020, 09:15 AM
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#7
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Bus Nut
Join Date: Jan 2015
Location: Brazoria County, Texas
Posts: 819
Year: 1997
Coachwork: Carpenter
Chassis: International
Engine: T444E
Rated Cap: 32 Passenger
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What Danjo said. 1 1/2” white pvc pool/spa hose. Glues just like regular schedule 40 pvc pipe. Works like a champ. Your build is really starting to come together Musigenesis. Keep up the great work !!!
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12-23-2020, 09:53 AM
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#8
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Bus Crazy
Join Date: Feb 2019
Location: New Hampshire
Posts: 1,349
Year: 1990
Coachwork: Thomas 4 window w/lift
Chassis: G30~Chevy cutaway
Engine: 5.7/350 Chevy Vortec
Rated Cap: Just me and my "stuff"?
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If you can't find anything local, I'd be amazed if you don't find what you need on this link:
https://www.mcmaster.com/tubing/plas...bing-for-flow/
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12-23-2020, 11:19 AM
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#9
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Bus Nut
Join Date: Jul 2020
Location: Sacramento
Posts: 994
Year: 1999
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Having made custom headers..you can take std 1.5in thin wall pvc drain pipe and cut and glue it into any path you need. Is it more work than a flex hose? of course. Cheaper? yes. does it look cool when done? absolutely.
You can also take regular pvc pipe and heat and bend into curved shapes.
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12-23-2020, 11:35 AM
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#10
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Bus Geek
Join Date: Jan 2019
Location: Philadelphia
Posts: 7,000
Year: 2003
Coachwork: International
Chassis: CE 300
Engine: DT466e
Rated Cap: 65C-43A
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Quote:
Originally Posted by BeNimble
Having made custom headers..you can take std 1.5in thin wall pvc drain pipe and cut and glue it into any path you need. Is it more work than a flex hose? of course. Cheaper? yes. does it look cool when done? absolutely.
You can also take regular pvc pipe and heat and bend into curved shapes.
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Huh, maybe that's the way to go. I'd be worried about having a lot of glue joints in this piece since it won't be accessible once the tub is placed, but heating and bending a single piece like that might do the trick.
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12-24-2020, 03:53 AM
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#11
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Bus Geek
Join Date: Sep 2015
Posts: 3,856
Year: 2002
Coachwork: Thomas Built Bus
Chassis: Freightliner FS65
Engine: Caterpillar 3126E Diesel
Rated Cap: 71 Passenger- 30,000 lbs.
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Go for it! I know you have it in you.
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12-24-2020, 05:05 AM
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#12
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Bus Geek
Join Date: Jan 2019
Location: Philadelphia
Posts: 7,000
Year: 2003
Coachwork: International
Chassis: CE 300
Engine: DT466e
Rated Cap: 65C-43A
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Quote:
Originally Posted by rossvtaylor
Like peakbus said...stay away from anything that's corrugated on the inside. I cringe when I see people using that accordion-style flexible sink drain pipe they sell in the plumbing departments. Those pleats become traps for stinky, nasty gunk...
I can't tell from that photo if that bilge discharge tubing is smooth inside or not. If it is, that should work fine. We like to use kanaflex kanalite and it holds up really well. The interior wall is smooth. If you can find anything like that, you should be golden. Kanalite Blue
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Yeah, I bought the hose I linked because it was $10 and worth a shot, but it's corrugated on the inside as well as the outside, so no bueno. At least I can use it for experiments and laying out the path for it.
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12-24-2020, 05:06 AM
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#13
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Bus Geek
Join Date: Jan 2019
Location: Philadelphia
Posts: 7,000
Year: 2003
Coachwork: International
Chassis: CE 300
Engine: DT466e
Rated Cap: 65C-43A
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Quote:
Originally Posted by Phatman
What Danjo said. 1 1/2” white pvc pool/spa hose. Glues just like regular schedule 40 pvc pipe. Works like a champ. Your build is really starting to come together Musigenesis. Keep up the great work !!!
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Thanks, Phat, I appreciate it.
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12-24-2020, 05:09 AM
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#14
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Bus Geek
Join Date: Jan 2019
Location: Philadelphia
Posts: 7,000
Year: 2003
Coachwork: International
Chassis: CE 300
Engine: DT466e
Rated Cap: 65C-43A
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Quote:
Originally Posted by peteg59
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I don't know why I didn't think to check McMaster-Carr. They sell literally everything. I was a little overwhelmed by the massive number of choices, but I think this is what I would need: https://www.mcmaster.com/tubing/plas...air-and-water/. Pricey, though - a 10' length of 1.5" ID is going to be $43 (or three times that if I go for the more expensive variety).
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12-24-2020, 05:10 AM
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#15
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Bus Geek
Join Date: Jan 2019
Location: Philadelphia
Posts: 7,000
Year: 2003
Coachwork: International
Chassis: CE 300
Engine: DT466e
Rated Cap: 65C-43A
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Quote:
Originally Posted by Native
Go for it! I know you have it in you.
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Thank you, as always.
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12-24-2020, 07:22 AM
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#16
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Bus Crazy
Join Date: May 2016
Location: Grayson County, VA
Posts: 1,428
Year: 1996
Coachwork: Amtran
Chassis: International
Engine: DT466
Rated Cap: 65
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Quote:
Originally Posted by musigenesis
Huh, maybe that's the way to go. I'd be worried about having a lot of glue joints in this piece since it won't be accessible once the tub is placed, but heating and bending a single piece like that might do the trick.
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Yup, I've successfully bent PVC by filling it with sand that's been heated it a skillet. Its super pliable that way, almost like a wet noodle. Pretty simple and fun, really.
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12-24-2020, 01:10 PM
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#17
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Bus Crazy
Join Date: Feb 2019
Location: New Hampshire
Posts: 1,349
Year: 1990
Coachwork: Thomas 4 window w/lift
Chassis: G30~Chevy cutaway
Engine: 5.7/350 Chevy Vortec
Rated Cap: Just me and my "stuff"?
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Quote:
Originally Posted by musigenesis
I don't know why I didn't think to check McMaster-Carr. They sell literally everything. I was a little overwhelmed by the massive number of choices, but I think this is what I would need: https://www.mcmaster.com/tubing/plas...air-and-water/. Pricey, though - a 10' length of 1.5" ID is going to be $43 (or three times that if I go for the more expensive variety).
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It is a bit pricy. The ease of installation is what would "sell" it for me, IMO.
No reason to use Tygon unless you are planning on flushing some chemicals that would corrupt a vinyl composition tubing...
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12-24-2020, 09:35 PM
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#18
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Bus Geek
Join Date: Sep 2015
Posts: 3,856
Year: 2002
Coachwork: Thomas Built Bus
Chassis: Freightliner FS65
Engine: Caterpillar 3126E Diesel
Rated Cap: 71 Passenger- 30,000 lbs.
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Quote:
Originally Posted by Drew Bru
Yup, I've successfully bent PVC by filling it with sand that's been heated it a skillet. Its super pliable that way, almost like a wet noodle. Pretty simple and fun, really.
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That does sound fun! I might have to try it just for the fun of it.
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12-24-2020, 11:38 PM
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#19
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Bus Nut
Join Date: Jan 2015
Location: Brazoria County, Texas
Posts: 819
Year: 1997
Coachwork: Carpenter
Chassis: International
Engine: T444E
Rated Cap: 32 Passenger
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I just tossed out an old PVC heater bender last week. Still worked..... what was left of it !!
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