Sunline RV Forum
Sunline User Photos

Go Back   Sunline Coach Owner's Club > Technical Forums > Repairs and Maintenance
Click Here to Login

Join Sunline Club Forums Today


Reply
 
Thread Tools Search this Thread Display Modes
Old 07-10-2018, 05:11 PM   #1
Junior Member
 
flymerc's Avatar
 
Join Date: Jul 2018
Location: Pennsylvania
Posts: 11
SUN #10689
flymerc is an unknown quantity at this point
Black H2O Tank Flush leak

First time draining the black water tank, I connected a water hose to the black water tank flush connector and water leaked inside the camper .

I found the black water flush connector broke.

Easy find, easy fix, I'll pick one up at Keystone RV.
Attached Images
File Type: jpg Black H2O Tank Flush conctr .jpg (59.3 KB, 5 views)
File Type: jpg Flush connector broke .jpg (57.0 KB, 4 views)
__________________

__________________
flymerc is offline   Reply With Quote
Old 07-10-2018, 09:00 PM   #2
Moderator
 
Sunline Fan's Avatar
 
Join Date: Dec 2006
Location: Michigan
Posts: 5,598
SUN #123
Sunline Fan is an unknown quantity at this point
It's interesting to see how one of these failed. Have to wonder why it did, but it could be many things. Black tank flush kits were pretty rare on Sunlines- they were basically special order only except on fifth wheels.

B&B molders is still in business today (and owned by Thetford), so the part is very common and available. It also can be used as a city water inlet, so it may be advertised as that, Sunline just used a different type of city water inlet. If Keystone RV can't help you out, here it is and pretty cheap: https://www.ebay.com/i/232124807743?chn=ps

In an effort to keep your supply hose sanitary (even if it isn't the drinking water one), I'd recommend sticking with the version that has a check valve.
__________________

__________________
2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9461.2 (as of 10/01/16)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR
Sunline Fan is offline   Reply With Quote
Old 07-12-2018, 09:22 PM   #3
Moderator
 
JohnB's Avatar
 
Join Date: Nov 2006
Location: Ohio
Posts: 9,079
SUN #89
JohnB is an unknown quantity at this point
Quote:
Originally Posted by Sunline Fan View Post
It's interesting to see how one of these failed. Have to wonder why it did, but it could be many things. Black tank flush kits were pretty rare on Sunlines- they were basically special order only except on fifth wheels.

B&B molders is still in business today (and owned by Thetford), so the part is very common and available. It also can be used as a city water inlet, so it may be advertised as that, Sunline just used a different type of city water inlet. If Keystone RV can't help you out, here it is and pretty cheap: https://www.ebay.com/i/232124807743?chn=ps

In an effort to keep your supply hose sanitary (even if it isn't the drinking water one), I'd recommend sticking with the version that has a check valve.

Hi Jon,

Actually B & B makes 2 types. One with the check and one without. Sunline would install the one without the check in the blank tank flusher.

I actually bought all the parts from Sunline when I had the T2499 to add a tank flusher. This is what they sent me.


The vacuum breaker


You can see the B & B molding water inlet and they did not have the check. You can also see the vacuum breaker that they sent. Sunline would pipe this up so the vacuum breaker was above the tank by a certain distance. I believe they want that non check valve water inlet so that once the flushing is done, and the user unscrews the hose from the water inlet, the lack of check valve allows that vacuum breaker to work correctly and the water will drain back out the side of the camper since there is no check valve in it. The Sunline method may not work right if you add a water inlet with a check in it.

Oddly enough, my 2004 T2475 has a Sunline tank sprayer installed in it. It was part of a custom order. And Kitty and Gary's T299SR parts camper had one too which is the first I saw installed in the walls.

Hope this helps

John
__________________
Current Sunlines: 2004 T310SR - Fern Blue, 2004 T1950 - Fern Blue, 2004 T2475 - Nutmeg
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC

Google Custom Search For Sunline Owners Club
JohnB is offline   Reply With Quote
Old 07-12-2018, 09:25 PM   #4
Moderator
 
JohnB's Avatar
 
Join Date: Nov 2006
Location: Ohio
Posts: 9,079
SUN #89
JohnB is an unknown quantity at this point
PS, I still have those 2 B & B molding water inlets. I will see if I can find them tomorrow. They are "somewhere" in my pile of PEX stuff in the barn. I know the right crate to start looking in at least.
__________________
Current Sunlines: 2004 T310SR - Fern Blue, 2004 T1950 - Fern Blue, 2004 T2475 - Nutmeg
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC

Google Custom Search For Sunline Owners Club
JohnB is offline   Reply With Quote
Old 07-12-2018, 09:33 PM   #5
Moderator
 
Sunline Fan's Avatar
 
Join Date: Dec 2006
Location: Michigan
Posts: 5,598
SUN #123
Sunline Fan is an unknown quantity at this point
Quote:
Originally Posted by JohnB View Post
Hi Jon,

Actually B & B makes 2 types. One with the check and one without. Sunline would install the one without the check in the blank tank flusher.
Good to know! I did see both types available. With the addition of the vacuum breaker, it makes sense why you'd need the one without the check valve!
__________________
2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9461.2 (as of 10/01/16)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR
Sunline Fan is offline   Reply With Quote
Old 07-13-2018, 05:12 AM   #6
Junior Member
 
flymerc's Avatar
 
Join Date: Jul 2018
Location: Pennsylvania
Posts: 11
SUN #10689
flymerc is an unknown quantity at this point
My 2004 Sunline Solaris has what appears to be a factory installed Black Water tank flush system.

It has this installed in lieu of a check valve.

Next time the Black Water tank requires dumping, I'll try out the "repaired" flush system.

Thank you all for your knowledge and assistance!!!!
Attached Images
File Type: jpg Flush Vacume fitting .jpg (53.8 KB, 3 views)
__________________
flymerc is offline   Reply With Quote
Old 07-14-2018, 05:41 PM   #7
Moderator
 
JohnB's Avatar
 
Join Date: Nov 2006
Location: Ohio
Posts: 9,079
SUN #89
JohnB is an unknown quantity at this point
Yes, that is the vacuum breaker. Your floor plan seems to allow it being found in a cabinet with access. Great! Other floor plans have them buried in a wall which make maintenance access an issue if anything ever goes wrong with it. I do not recall anyone making a post on an issue with one, but since there are not that many installed by the factory that may be why. It is a simple valve and it may be very reliable.

Thanks for sharing the pic. A good learning opportunity.

John
__________________
Current Sunlines: 2004 T310SR - Fern Blue, 2004 T1950 - Fern Blue, 2004 T2475 - Nutmeg
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC

Google Custom Search For Sunline Owners Club
JohnB is offline   Reply With Quote
Old Today, 05:06 AM   #8
Junior Member
 
flymerc's Avatar
 
Join Date: Jul 2018
Location: Pennsylvania
Posts: 11
SUN #10689
flymerc is an unknown quantity at this point
This morning I had the opportunity to use the "repaired" Black water flush system.

When I applied water through the newly replaced exterior flush fitting (without a check valve), there seemed to be no water flowing into the black water tank.

Looking at the way the system is plumbed, the vacuum breaker is in line between the exterior flush connector and the black water tank, and thus I suspect may not be functioning correctly.

Anyone know how the black water flush system works, and what may be the issue with the lack of water flowing from the flush connector to the black water tank?

I'm thinking I need to replace the vacuum breaker with a check valve and plumb it more in line instead of a tight 90 degree like the factory has it plumbed.

Or perhaps there is something I need to do to allow the vacuum breaker to release vacuum and allow water to flow?

Thank you in advance!
Shawn
__________________
flymerc is offline   Reply With Quote
Old Today, 07:19 AM   #9
Junior Member
 
Join Date: Apr 2018
Location: Michigan
Posts: 10
SUN #10440
shellynne24 is an unknown quantity at this point
Black water shows full

We have a sunline.T 2753 and the black water tank shows full all the time just wondering if getting to the float is tough or if anyone has had this problem and can it be fixed
__________________
shellynne24 is offline   Reply With Quote
Old Today, 09:59 AM   #10
Junior Member
 
flymerc's Avatar
 
Join Date: Jul 2018
Location: Pennsylvania
Posts: 11
SUN #10689
flymerc is an unknown quantity at this point
I believe the sensors in all three tanks are inductive sensors and not float sensors.

As the fluid fills in the tank the liquid grounds the sensor and thus completes a circuit that is displayed on the tank level panel.

I would think if the Full Light is displayed when the tank is not full, debris may be on the sensor.

To remove the debris from the sensor you will need a flush wand (https://www.amazon.com/Valterra-A01-.../dp/B000BGHYDO )that hooks to a garden hose and is inserted into the toilet (while flushing to open the ball valve into the black water tank) thus rinsing away the debris.
__________________
flymerc is offline   Reply With Quote
Old Today, 10:55 AM   #11
Junior Member
 
Join Date: Apr 2018
Location: Michigan
Posts: 10
SUN #10440
shellynne24 is an unknown quantity at this point
Thank you I will give it a try when the wand gets here
__________________
shellynne24 is offline   Reply With Quote
Old Today, 12:30 PM   #12
Moderator
 
Sunline Fan's Avatar
 
Join Date: Dec 2006
Location: Michigan
Posts: 5,598
SUN #123
Sunline Fan is an unknown quantity at this point
Agreed, no floats involved.

I do like the wand a lot, and it keeps clean/new tanks nice. But for cleaning up old ones, the best suggestion I've heard is to fill the tank up half way or so with water, and dump a big bag of ice down the toilet. Then go drive around with it. The ice cubes will slosh around and break up the stuff stuck to the sides of the tank.
__________________
2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9461.2 (as of 10/01/16)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR
Sunline Fan is offline   Reply With Quote
Old Today, 12:53 PM   #13
Junior Member
 
Join Date: Apr 2018
Location: Michigan
Posts: 10
SUN #10440
shellynne24 is an unknown quantity at this point
That sounds like a great idea I did fill it about 1/3 and used the tank fresh with no luck I will try your idea thanks
__________________

__________________
shellynne24 is offline   Reply With Quote
Reply

« T2461 update | - »

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
Cleaning flush ball ? water leaking out of bowl. Gimmie66 Repairs and Maintenance 8 05-18-2012 09:18 PM
Flush King question Mellow Yellow Repairs and Maintenance 3 01-28-2012 10:03 AM
flush king suebobby Sunline Community 5 07-18-2011 06:34 AM
H2O heater Plug ??? Sunline1 Repairs and Maintenance 2 09-22-2009 09:29 AM
"quickie flush" wcoleman Sunline Community 9 03-31-2007 01:44 PM



» Featured Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 03:33 PM.