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Sani Con refurb

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zolman

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Sani Con refurb
« on: July 17, 2021, 05:02:30 pm »
I've learned so much from this forum I wanted to share a refurb I just did on my 2007 2551. I've used it twice and I love the results. My macerator ejects the sewage at a faster rate and is leak free.

1. Both my valves leaked so I replaced the gaskets and adjusted the screw settings on the auto drain valves. Those settings had worked themselves so the drains were slightly opened when in the shut position.  After the adjustment I used some blue lock tight to prevent that from happening again.

2. I replaced my original Sani-Con black flex tube with a section of clear Hot Tub hose and then a much less expensive  Valterra SS01 RV SewerSolution Drainage Kit with 10' Hose. This allowed me to visually see the black and gray water as the macerator ejected it into the hose. This helped me know when the tanks were completely cleaned when I flushed them clean. I kept my old Sani-Con hose to use as an extension to my Valterra hose. They both have the same ID.

3. I used the same clear hot tub tubing and 2, 1" ID hot tub 90 degree connectors to eliminate the restrictions from the macerator to the tubing. My original install only used 1, 90 degree connector.

4. I replaced the original small over flow tubing and added a longer replacement to avoid the kink in the original install
« Last Edit: August 10, 2021, 07:22:31 pm by zolman »
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Ron Dittmer

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Re: Sani Con refurb
« Reply #1 on: July 18, 2021, 07:58:24 am »
Nice job you did there zoleman!  Very cost effective too......something I am always mindful of.
 2o2

And if over a longer period of time, you later learn that your alternative hose didn't work out so well after-all, there is nothing preventing you from buying another OEM hose and revert back to the original design.

Thanks also for the tips on the two waste gates.
« Last Edit: July 18, 2021, 08:00:05 am by Ron Dittmer »
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LRUCH

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Re: Sani Con refurb
« Reply #2 on: December 11, 2021, 12:05:41 pm »
Hi Zolman,
Thank you for the writeup and photos. I've often preferred my stinky slinky because it has a clear section for inspection.  (sorry for the Dr Seuss rhymes). My macerator quit and the new one just arrived. I'm thinking of adding this clear tube improvement as well.  I have a few questions, if you don't mind...

After 4 months, any updates on how it has worked?

Anything you would do different?

What is the "overflow tube" that you replaced?  Where does it go from/to? I have a 2010 version of a 2900 and I don't see anythiing like an overflow tube. I assume it was the last photo but I don't have anything similar on my PC.

Also, it might be just something they've changed over the years, but my macerator is barely within arm's reach of the coach wall, so I have more room to route the hose and i'm considering no 90 degree elbows at all in the plumbing route so the flow is not restricted. I think it all depends upon how flexible the clear tubing is and still avoid a kink. I might still need to use a 45 degree in place of a 90.   As an engineer I know the impact of 90 elbow pipes on high volume flows. I had my entire backyard of pool, spa and fountains built with no 90s.

Thanks again, looking forward to your update.
Larry
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Engineerlt

Re: Sani Con refurb
« Reply #3 on: December 11, 2021, 01:13:47 pm »
So at what point did PC change the system to the Sanicon 700?
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donc13

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Re: Sani Con refurb
« Reply #4 on: December 12, 2021, 08:25:36 am »
My 2015 2551 has one of the first 700s on it.  In fact, the specific one on my PC is a pre-production engineering test unit.   My unit was built in Dec of 2014.  I believe they soon started using them as soon as Thetford started mass production on the 700.  So that'd be sometime in 2015.
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Re: Sani Con refurb
« Reply #5 on: December 12, 2021, 10:44:58 am »
Great Information!

RonJ
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Joseph

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Re: Sani Con refurb
« Reply #6 on: December 12, 2021, 12:00:38 pm »
I’ve heard the 700 is a much better (faster) system.
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donc13

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Re: Sani Con refurb
« Reply #7 on: December 13, 2021, 09:17:01 am »
Quote from: Joseph on December 12, 2021, 12:00:38 pm
I’ve heard the 700 is a much better (faster) system.

Earl (the old sales manager) told me that the 700 was 2 to 3 times faster than the old model.   I do know that with full tanks, I can be in and out of a dump station in 5 minutes.
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Re: Sani Con refurb
« Reply #8 on: December 13, 2021, 09:55:57 am »
Quote from: donc13 on December 13, 2021, 09:17:01 am
Quote from: Joseph on December 12, 2021, 12:00:38 pm
I’ve heard the 700 is a much better (faster) system.

Earl (the old sales manager) told me that the 700 was 2 to 3 times faster than the old model.   I do know that with full tanks, I can be in and out of a dump station in 5 minutes.
Faster is better.  It does take me a little while to dump, even a bit longer with my replacement SeaFlo macerator.  But I wonder how much more the extra pressure of the 700 series would expand my original slinky.  I wonder if the 700 series requires a different slinky.
« Last Edit: December 13, 2021, 12:10:51 pm by Ron Dittmer »
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Bangorbob

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Re: Sani Con refurb
« Reply #9 on: December 13, 2021, 11:04:23 am »
Great information as usual.  I had to fix a small leak where the pump fit into the pipe.  Used a rubber coupling.   No more leak.  Anyway if we keep our RV longer I know I will have to fix or replace the pump.  Can the 700 series replace the older pump? 
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JackD

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Re: Sani Con refurb
« Reply #10 on: December 13, 2021, 02:28:59 pm »
I've had both systems - the 700 is on my 2017 Sprinter, the others had the old Sanacon.
Jack
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donc13

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Re: Sani Con refurb
« Reply #11 on: December 13, 2021, 07:13:26 pm »
Quote from: Bangorbob on December 13, 2021, 11:04:23 am
Great information as usual.  I had to fix a small leak where the pump fit into the pipe.  Used a rubber coupling.   No more leak.  Anyway if we keep our RV longer I know I will have to fix or replace the pump.  Can the 700 series replace the older pump? 

Not a direct replacement, you need to modify the waste plumbing.  The 700 doesn't use a bayonet mount.  It has 4 "inputs" with the ABS waste plumbing is is cemented to 2 of them.  The "emergency" 3" slinky valve and bayonet for a 3" hose gets cemented (along with a bayonet cap) and the 4th one is capped.  The output is an upward line where you attach the macerator drain tubing and end.
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donc13

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Re: Sani Con refurb
« Reply #12 on: December 13, 2021, 07:15:34 pm »
Quote from: Ron Dittmer on December 13, 2021, 09:55:57 am
Quote from: donc13 on December 13, 2021, 09:17:01 am
Quote from: Joseph on December 12, 2021, 12:00:38 pm
I’ve heard the 700 is a much better (faster) system.

Earl (the old sales manager) told me that the 700 was 2 to 3 times faster than the old model.   I do know that with full tanks, I can be in and out of a dump station in 5 minutes.
Faster is better.  It does take me a little while to dump, even a bit longer with my replacement SeaFlo macerator.  But I wonder how much more the extra pressure of the 700 series would expand my original slinky.  I wonder if the 700 series requires a different slinky.

I don't know about a different macerator slinky, mine original hose got pinholes in it after about 3 years.  Easy to replace, $80 from Amazon at the time.
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Engineerlt

Re: Sani Con refurb
« Reply #13 on: December 14, 2021, 11:09:53 am »
Has anyone taken out the Sanicon 700 for repairs. Just got down to FL., hooked up to pump to find the pump is not turning. Its got power checked everything, so I went and picked up a discharge hose so we could drain the tanks... I really liked the Sanicon system, it was mess free and worked well (when it was working). I know they say you can remove the viewing port on the bottom and turn the pump over by hand, and if clogged clean it out. However, when I turn mine on I get nothing, almost like the motor is open and dead. I really believe the motor has died and needs to be replaced. Has anyone replaced one of these motor/pump assemblies? I see you can buy the motor/pump on E-Bay its a little pricy, but curious if anyone has just replaced the motor/pump assembly, part number for the motor/pump I believe is 97508.

Very Respectfully
Lance
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zolman

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Re: Sani Con refurb
« Reply #14 on: December 20, 2021, 09:34:39 pm »
I just read my old post. Here is an update that another forum member requested.

Every thing is working perfectly with my sani con refurb. Been over 4,000 miles of trips with no problems.

Something I didn't mention in my original post is the I also refurbed all of my electrical connectors with contact cleaner, dialectic grease and liquid tape.

I am just completing a deal to trade my toy hauler for a used 3100. I'll be selling my 2551 soon. My wife likes the PC so much we are going to size up. Plus with blood thinners my motorcycle riding days are over.

The new PC addition will be a 2013 so I'll be doing the same sani con refurb.. 
« Last Edit: January 02, 2022, 06:30:49 pm by zolman »
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