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Your cart is empty.Dimensions – 2 1/2" L Dimensions – 3/8” Dia. Dimensions – 1 1/2" Pin Depth Stainless Steel Head 3/8” Nut (2) Works for gray and black water Helps to prevent false conductance Primarily for installation in black water (holding) tanks Roof prevents snags and sticking Hardware (3/8" nut) comes with probes Set of four
Wade
August 21, 2025
So far they have worked great. Cant speak for longevity as that will take a few years to find out. I like that they have the shield on the top just remember before you put them in where the top side lines up to ensure it doesnt turn while tightening (the have a notch on the end of the threads to help you tell). Biggest con so far is that if you are trying to do a direct replacement it could be difficult. One of my tanks the original sensors were so close to the fram rail that there wasnt enough room to get them (to be fair there wasnt really ebough room to remove the original button ones either). Simple solution was to drill new sensor holes in a spot that could be reached. All in all im very happy with them.Installed on a 2017 keystone raptor 5th wheel. 2 grey, 2 black, and 1 fresh water tanks
Kent
August 19, 2025
I had the black tank out so it was easy to install these.
Nicholas C.
August 16, 2025
This product works as advertised. The probes are held far enough away from the tank wall to prevent false readings due to condensation or splashing. That being said, you could achieve the same thing with a rubber grommet, two nuts, a nylon spacer tube and an 1/8" stainless steel rod. But this is nice for a pre-built solution.
"@"
August 4, 2025
They kinda work, they kinda don't. They really didn't totally eliminate the dreaded "always full" lights. sometimes..... sometimes.....
George in Florida
June 29, 2025
Good directions, easily installed and work great.
R. L. R.
June 4, 2025
I have purchased 3 pkgs or 12 probes. When I saw the picture, it appeared there was a slot on the tip of the metal shaft so a small screwdriver could hold the probe in place while tightening the nut; smart yes. WRONG!. There is a notch that indicates which side is down, but no slot. As expected, the entire probe turns when the nut is tightened. I could not hold the threaded shaft tight enough with my fingers to prevent turning the entire probe. So I used a small pair of pliers to hold the shaft, which damages the threads. PLEASE SLOT THE END OF THE SHAFT SO A SCREWDRIVER CAN RESIST TURNING! The old probes has the same issue; so the pliers damage the threads when removing the wire; note the old nut must then be put-back and tightened so the old plug will not leak. A tiny slot for a screwdriver would save hours of tedious work. Now to see if they last.
kenneth g kuhl
April 14, 2025
easy to install would recommend. so far reading correctly.
D L Stephens
January 1, 2025
If you have a travel trailer, this is the answer for true reading for holding tank. Use them on my RV and family friends use them too. Great product.
AVS
December 12, 2024
These are excellent sensors. I have these installed in my motorhome. No issues with faulty readings.
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