Camping and RV Forums  Recreational Ve...  RV Maintenance ...  Black water gauge not working properly
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New Post 9/8/2014 8:32 PM
  CampingWife
50 posts




Black water gauge not working properly 
Modified By CampingWife  on 9/8/2014 8:32:32 PM)
We have a class c forest river Forrester. The black water tank gauge seems to be stuck. It reads full even when we have just emptied. Any suggestions? I suspect buildup. What's worked for others?
 
New Post 11/21/2014 4:32 PM
  bukhrn
163 posts




Re: Black water gauge not working properly 
I have a 2941DS Forester, and what I have learned is, that like nearly all black tank gauges, they are notoriously inaccurate. You most likely have a piece of toilet paper, (or other stuff) on the sensor. if you are going to a full hookup campground, put about 10 gl of water in the tank before you leave, by the time you get to the CG, it should have sloshed around enough to dislodge the debris, when you dump, be sure to use LOTS of water, & don't dump until it's at least 3/4 full.
If it's stuck on the Full reading, look down the hole, if you don't see it, it's probably not full.
 
New Post 11/30/2014 11:49 AM
  Einar1
45 posts




Re: Black water gauge not working properly 
Try to make sure that you clean out the black water tank real well. And try to flush out around the sending unit. I had the same trouble and after I cleaned out it worked just fine.
 
New Post 3/11/2017 12:19 AM
  DR Dave
3 posts


Re: Black water gauge not working properly 
Good advice so far. You might also want to install a Tornado Tank Rinser in your black tank. This will spray high pressure water all over inside your tank and help to dislodge any toilet paper off from your sensors and help keep your tank clean inside. The reason to make sure your tank is at least 3/4 full before emptying it is to help to help it build up enough pressure to pull toilet paper and stuff from off your walls. If you empty it when your tank is not full enough you wont get the pressure or pull inside your tank to clean it.

https://www.amazon.com/Camco-40126-Tornado-Rotary-Rinser/dp/B000BUU5TU
 
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