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Old 02-02-2013, 07:32 PM   #1
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Thumbs up Horst miracle probes

FYI >> Found why I have false reading on my Black & Grey tanks!

HORST MIRACLE PROBES

Horst Miracle Probes for Wastewater Tanks in Recreational Vehicles RVs

Ordering them now! Amazon cheaper ($52) than from OEM $62
Probes, Gray Water, 4/pk : Amazon.com : Automotive
Probes, Black Water, 4/pk : Amazon.com : Automotive

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Old 02-02-2013, 07:36 PM   #2
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Here is how I put them in:

http://www.forestriverforums.com/for...ion-16089.html

More info on the probes and system

http://www.forestriverforums.com/for...tor-26746.html
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Old 02-02-2013, 07:45 PM   #3
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Horst miracle probes

How about this way of removal?

?
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Old 02-02-2013, 11:59 PM   #4
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I watched how he did it and it looks pretty good.

My only critique is that he is pulling the sensor through while the seal is still "squashed." This most likely will shear off the hard rubber of the seal as the sensor head is pulled through the hole. (and may damage the tank hole).

By leaving the nut on, and tapping the sensor towards the tank the sensor head is no longer squashing the seal and IT can be pulled through (with needle nose pliers or dykes) without the sensor head competing for space in the hole and then once the seal is clear the sensor head will come right out with no fuss.

His way seems more "forceful" but it worked for him.
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Old 02-03-2013, 12:07 AM   #5
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Horst miracle probes

There some people are drilling 3/8 hole next to sensor without taking it out.

In my case - I would have hard time to work on the very top sensor due to abstraction and limited space.

BTW - does anyone having trouble with Fresh Water Tank sensors?
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Old 02-03-2013, 07:22 AM   #6
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Quote:
Originally Posted by lonestar007 View Post
There some people are drilling 3/8 hole next to sensor without taking it out.

In my case - I would have hard time to work on the very top sensor due to abstraction and limited space.

BTW - does anyone having trouble with Fresh Water Tank sensors?
I did not change my fresh water tank probes. The issue in the holding tanks is conductive slime on the tank walls. A good cleaning with a sanitizer will clean the fresh water tank buttons.
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Old 02-03-2013, 08:50 AM   #7
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Herk You were having an issue with your gray tank probes in one of the threads you posted I was wondering if it was resolved??
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Old 02-03-2013, 02:13 PM   #8
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Originally Posted by lonestar007 View Post
FYI >> Found why I have false reading on my Black & Grey tanks!

HORST MIRACLE PROBES

Horst Miracle Probes for Wastewater Tanks in Recreational Vehicles RVs

Ordering them now! Amazon cheaper ($52) than from OEM $62
Probes, Gray Water, 4/pk : Amazon.com : Automotive
Probes, Black Water, 4/pk : Amazon.com : Automotive

I think you should also consider capacitive tank-level sensing. See this: https://tankedge.com/ or this: http://www.rvgauge.com/.

NUWA is/was using the second of these and I was very impressed. The first is available from Camping World.
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Old 02-03-2013, 02:53 PM   #9
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Originally Posted by JFM-jr View Post
Herk You were having an issue with your gray tank probes in one of the threads you posted I was wondering if it was resolved??
Yes, grease glob on sensor.
Installed flush unit in gray tank.
All good now.
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Old 02-03-2013, 05:22 PM   #10
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I did not change my fresh water tank probes. The issue in the holding tanks is conductive slime on the tank walls. A good cleaning with a sanitizer will clean the fresh water tank buttons.
Thanks,
I should do this as well!
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Old 02-04-2013, 09:11 PM   #11
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Yes, grease glob on sensor.
Installed flush unit in gray tank.
All good now.
Awesome so you would recommend these probes? I'm tired of the false readings in the black and grey tanks and will do this swap in the spring.
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Old 02-04-2013, 09:24 PM   #12
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Awesome so you would recommend these probes? I'm tired of the false readings in the black and grey tanks and will do this swap in the spring.
I do. Once you get the belly panel down (just do not pick a windy day) the rest is easy.
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Old 03-02-2013, 02:23 PM   #13
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Just installed new set of sensors - works as a charm! Shows all clear!
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Old 03-02-2013, 02:51 PM   #14
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Originally Posted by lonestar007 View Post
Just installed new set of sensors - works as a charm! Shows all clear!
Remember that these sensors do not eliminate regular tank treatment (Calgon-Detergent); just makes them harder to foul.
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Old 03-02-2013, 03:01 PM   #15
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Thanks Herk this is on my springtime to do list before the season starts. I always put some Calgon in there.
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Old 03-02-2013, 03:02 PM   #16
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Dammit! I was sure they complitely eliminate all waist!
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Old 03-02-2013, 03:28 PM   #17
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Originally Posted by BarryD0706 View Post
I think you should also consider capacitive tank-level sensing. See this: https://tankedge.com/ or this: SeeLeveL RV Gauges by Garnet Technologies Inc..

NUWA is/was using the second of these and I was very impressed. The first is available from Camping World.

I watched the video on the Tankedge sensors and I'm impressed, I never knew they existed... It would only make sense to have the tank sensors outside the tank so they never get fouled. Plus the sensor reads in percentages, not in 1/3 or 2/3 increments which leave you guessing.

I also like the panel readout, plus the ability to set tank level alarms, ie: 85% for holding tanks and maybe 20% for fresh water, etc.

These are going on my upgrade list...
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Old 03-02-2013, 03:49 PM   #18
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I would love to know how it works out for you. My concern about the capacitance indicators was adhesion. I would hate to have one peel off while in the boondocks and have no idea about how my tanks were doing and no way to fix it.
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Old 03-02-2013, 03:53 PM   #19
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I would love to know how it works out for you. My concern about the capacitance indicators was adhesion. I would hate to have one peel off while in the boondocks and have no idea about how my tanks were doing and no way to fix it.
My boss has these on his mh .
They scuffed the tank lightly and used a thin flexible epoxy.
No issues that I know of.
Been on there for 5 years.
Just some info

Not the same brand either but similar.
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Old 03-02-2013, 06:59 PM   #20
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Thanks Turbs,
I feel better knowing they stick.
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