shower p-trap and valvectomy - Fiberglass RV


Reply
 
Thread Tools Search this Thread Display Modes
 
Old 03-27-2013, 06:29 PM   #1
Senior Member
 
arlon's Avatar
 
Name: Arlon
Trailer: 2002 Casita Bunk Delux
Texas
Posts: 147
shower p-trap and valvectomy

Broke the P-trap off the Casita shower drain last weekend while backing up onto an elevated pad site. Darn thing hung about 6" below the frame rails. I got a Hepvo valve and replaced the debris catcher with something that sits up above the frame rails. Hopefully no more busted shower drains.

All I needed was the valve, 1 1/2 PVC to drain adapter and a "Flanged Tailpiece". I just cut the flange off so I had drain pipe on each end and simply stick it and tightened the nuts.

This is a 10 minute job once you have the pieces together.

Cut out the valve, leaving enough PVC for the drain adapter.



Deflanging the flanged tailpiece (cut the flange off so it became a drain pipe on both ends)




Needed the flexible tail piece to make this angle



Done in 10 minutes.

__________________

__________________
2002 Casita 17' Bunk Model Delux (replaced 28' 5th wheel)
2003 Dodge/Cummins quad cab (daily driver/tow vehicle of choice)
2005 AWD Astro Van/camper (my solo camper)
2006 Xterra MT (for sale)
arlon is offline   Reply With Quote
Old 03-27-2013, 06:38 PM   #2
Senior Member
 
GMike A's Avatar
 
Name: Mike
Trailer: 2001 Spirit Deluxe 17" K5NAN
Texas
Posts: 685
Good Pixs. I hope to do this on mine from the Get-Go. Larry from LHC had suggested it to me and to put one on the sink as long as I am at it.

Mike
__________________

__________________
Mike
K5NAN
"Miss Adventures"
If you Rest, You Rust
GMike A is offline   Reply With Quote
Old 03-27-2013, 07:02 PM   #3
Senior Member
 
Donna D.'s Avatar
 
Name: Donna D
Trailer: Escape 5.0 TA, 2014
Oregon
Posts: 24,434
This is the number one mod Larry of Little House Customs does on Casitas.
__________________
Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
Donna D. is offline   Reply With Quote
Old 03-27-2013, 07:14 PM   #4
Senior Member
 
Thomas G.'s Avatar
 
Name: Kinga DeRode
Trailer: For Sale Or Rent
Rooms to Let 50 Cents
Posts: 5,103
Quote:
Originally Posted by Donna D. View Post
This is the number one mod Larry of Little House Customs does on Casitas.
Does Casita still make them with this low hanging pipe?
__________________
UHaul and Burro owners, join the UHaul Campers on Facebook. https://www.facebook.com/groups/529276933859491/
Thomas G. is offline   Reply With Quote
Old 03-27-2013, 07:29 PM   #5
Senior Member
 
Donna D.'s Avatar
 
Name: Donna D
Trailer: Escape 5.0 TA, 2014
Oregon
Posts: 24,434
Quote:
Originally Posted by Thomas G. View Post
Does Casita still make them with this low hanging pipe?
Yep.

There's a whole thread about it on CasitaForum and Larry talks about the boxes of the P traps he'd take to gatherings for folks to have if they needed extras. After hauling them back and forth... they now go into the recycle box and so do the hose clamps. Nobody wants them.
__________________
Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
Donna D. is offline   Reply With Quote
Old 03-27-2013, 08:37 PM   #6
Member
 
Name: Randy
Trailer: 2003 Casita 17' SD
Duluth,Minnesota
Posts: 51
Just did mine about a month ago, can't wait to try it out this Spring- if it ever gets here!
__________________
Randy Hagen is offline   Reply With Quote
Old 03-27-2013, 08:40 PM   #7
Senior Member
 
arlon's Avatar
 
Name: Arlon
Trailer: 2002 Casita Bunk Delux
Texas
Posts: 147
I don't know why the factory doesn't do them differently. I'd guess this setup is probably cheaper than the original with the valve and probably a lot faster to install.
__________________
2002 Casita 17' Bunk Model Delux (replaced 28' 5th wheel)
2003 Dodge/Cummins quad cab (daily driver/tow vehicle of choice)
2005 AWD Astro Van/camper (my solo camper)
2006 Xterra MT (for sale)
arlon is offline   Reply With Quote
Old 03-27-2013, 11:11 PM   #8
Moderator
 
Frederick L. Simson's Avatar
 
Name: Frederick
Trailer: Fiber Stream
California
Posts: 8,151
Registry
Send a message via AIM to Frederick L. Simson
Question

Am I missing something here? The shower drain doesn't need the trap that Casita installs?
You don't get gray tank odor in the shower after doing this?
__________________
Frederick - The Scaleman
1978 Fiber Stream 16 named "Eggstasy" & 1971 Compact Jr. named "Boomerang"
Frederick L. Simson is offline   Reply With Quote
Old 03-27-2013, 11:26 PM   #9
Senior Member
 
Brian B-P's Avatar
 
Name: Brian
Trailer: Boler (B1700RGH) 1979
Alberta
Posts: 5,000
Quote:
Originally Posted by Frederick L. Simson View Post
Am I missing something here? The shower drain doesn't need the trap that Casita installs?
The Hepvo valve functionally replaces the P-trap... right, Casita people?
__________________
1979 Boler B1700RGH, pulled by 2004 Toyota Sienna LE 2WD
Information is good. Lack of information is not so good, but misinformation is much worse. Check facts, and apply common sense liberally.
STATUS: No longer active in forum.
Brian B-P is offline   Reply With Quote
Old 03-27-2013, 11:27 PM   #10
Senior Member
 
David Tilston's Avatar
 
Name: Dave W
Trailer: Trillium 4500 - 1977, 1978 (2), 1300 - 1977, 1973, and a 1972
Alberta
Posts: 5,317
Registry
Quote:
Originally Posted by Frederick L. Simson View Post
Am I missing something here? The shower drain doesn't need the trap that Casita installs?
You don't get gray tank odor in the shower after doing this?
It's a newfangled P-trap replacement:
Hepvo Waterless Valve

On edit:
Dam... Brian's fast!
__________________
David Tilston is offline   Reply With Quote
Old 03-28-2013, 01:17 AM   #11
Senior Member
 
GMike A's Avatar
 
Name: Mike
Trailer: 2001 Spirit Deluxe 17" K5NAN
Texas
Posts: 685
It looks like the end of a whoopie cushion. Wish I had patented it!!!
__________________
Mike
K5NAN
"Miss Adventures"
If you Rest, You Rust
GMike A is offline   Reply With Quote
Old 03-28-2013, 07:33 AM   #12
Senior Member
 
arlon's Avatar
 
Name: Arlon
Trailer: 2002 Casita Bunk Delux
Texas
Posts: 147
It works... Better than than the P-trap. When I pulled this apart, the water in the p-trap could have gagged a maggot. Of course we haven't ever used the shower so there is no telling how long what ever was in there had been there (back wash from the gray tank I suppose).. With the Hepvo valve there shouldn't be as much standing water. Just a better mouse trap in my way of thinking and really simple to replace.
__________________
2002 Casita 17' Bunk Model Delux (replaced 28' 5th wheel)
2003 Dodge/Cummins quad cab (daily driver/tow vehicle of choice)
2005 AWD Astro Van/camper (my solo camper)
2006 Xterra MT (for sale)
arlon is offline   Reply With Quote
Old 03-28-2013, 08:02 AM   #13
Senior Member
 
GMike A's Avatar
 
Name: Mike
Trailer: 2001 Spirit Deluxe 17" K5NAN
Texas
Posts: 685
From the pictures Arlon it almost looks like you are installing it sideways or parallel to the tank? In my mind I would think that there would or should be a gravitational force so that the water needs to travel down. From a galley sink its a no brainer but from a side discharge something has to open that bladder port. You say it works great and I too am going to have to go the same route as yours.
My egg didnt have a sink in it or if it was then it was removed;however, I see no evidence of a drain for it on mine and I dont have any reference material to go on yet for my build. On your last bottom picture where is the Tee pipe going up to.
__________________
Mike
K5NAN
"Miss Adventures"
If you Rest, You Rust
GMike A is offline   Reply With Quote
Old 03-28-2013, 09:08 AM   #14
Senior Member
 
arlon's Avatar
 
Name: Arlon
Trailer: 2002 Casita Bunk Delux
Texas
Posts: 147
The T pipe is the vent going up and the sink drain is tapped into that vent pipe inside the closet.

I'm not sure how it's going to behave when the grey tank gets completely full. I guess it will still function as the water in the drain tube above the tank level is going to seek equilibrium. The way I see it, the valve could be below the tank and it would still function but be more a std P trap that is going to hold a little water inside the tube but because of the valve it won't let nasty water from the tank back into the shower like the regular trap will. Once it's through the Hepvo valve it isn't coming back.

Once the tank is full, it simply going to act like a stopper. No back sloshing on road no matter how full the grey tank is.
__________________

__________________
2002 Casita 17' Bunk Model Delux (replaced 28' 5th wheel)
2003 Dodge/Cummins quad cab (daily driver/tow vehicle of choice)
2005 AWD Astro Van/camper (my solo camper)
2006 Xterra MT (for sale)
arlon is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Shower trap same as the sink trap in a Scamp? Bryan L. Plumbing | Systems and Fixtures 6 01-14-2010 02:56 PM
Hepvo waterless trap on Casita shane n Modifications, Alterations and Updates 7 07-15-2009 09:13 PM
How to remove drum trap on sink? Kevin Dyck Problem Solving | Owners Helping Owners 3 06-25-2009 11:03 PM

» Upcoming Events
No events scheduled in
the next 465 days.
» Virginia Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 05:26 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.