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Replaces the valve for your RV's black-water tank. 3" Diameter passage allows wastewater to travel freely when valve is open. Valve body, seals, nuts, and bolts included.
Features:
To install, remove the broken waste valve and seals from your black-water tank. Then place the included seals on the flange fittings and position the new valve body. Tighten the provided hardware to complete installation.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to be taking a look at the Valterra Bladex Waste Valve. This valve is a 3" Bladex valove. It's going to allow you to replace, repair, or upgrade to a new dependable valve. It's going to feature a plastic handle here on top. This is very strong and very durable. It's going to feature a stainless steel shaft that's corrosion resistant.
It's got the threaded handle that makes it easy for replacement if you ever need to do that. Now, Bladex valves are interchangeable with most other brands. It's going to come with the actual valve. It's going to come with the appropriate seals and the hardware that's needed to get it installed. The seals are made from santoprene 00:00:36 construction that's design to resist chemicals and corrosion. When you're ready to install it, you need to remove your old valve and seals and then place the new seals over the lip of the existing flanged fittings.
Insert the new valve, being careful not to dislodge the seals and then tighten everything in place for your full installation with the included nuts and bolts. It's a really easy operation. It's got a nice lever design to it, T-handled grip, just nice fluid consistent motion allows you to easily open and close the valve. Few measurements to go over with you real quick. The overall length with the unit in the closed position, we're looking at about 9 1/2". With it fully open, we're looking at about 12 3/4".
The width of the unit down here at this portion, that's going to give us a measurement of about 4 3/8". The thickness, it's going to measure about 13/16" thick. Then the mount holes, there's going to be four mount holes on the unit, one here on each corner. Those are going to be separated on center by 3 3/4" and that's going to be the same distance between each hole. That's going to do it for today's look at the Valterra Bladex 3" Waste Valve.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Had to use my handle, because it is long. Not the most pleasant job, but it does not leak down like my old one. A year later my sewer line is dry like it should be.
I purchased the black water tank valve and compared it to the one that came on our 5th wheel it appears to be of a better quality and made a little heavier . Now I also have the info I need to just buy new seals if I need them . I could not read the info on the old one. Life is good.
We recently needed to replace this item in our camper. My husband is handy but we are relatively new to the RV so we didn't know how this was going to work. This item not only arrived VERY QUICKLY, but was exactly as pictured and took only 5 minutes to install. We plan to use etrailer.com for all of our RV needs going forward. Thank you for making this experience so easy and flawless!!
Product is excellent, but it has different wiring then my old one, still use it and works well, but have to take the fuse out each time I use it or the red light keeps on blinking and afraid it will run the battery down. I will be taking it to a dealer to get the wiring straight , electricity is not my thing, product is fine just haven't got around to having an electrician fix it correctly.
Easy order, fast ship...have not installed yet but this one is also on the honeydew list!!
A GREAT product -- an exact replacement. The original valve has lasted for many years and am replacing all three Waste Valves. However, I have't install it, or the other one that arrive Saturday, but will this week. I did install the first valve which was operated via cable system two weeks ago. It works perfectly. I very much appreciated the friendly and knowledgeable assistance from all etrailer's employees. Very helpful and very knowledgeable. BTW, products well packaged -- no damage ...product arrive on schedule.
These worked great EXCEPT the handles were not long enough so we had to order the extensions to make them work in our camper. Maybe more information about that should be included so we could have gotten everything at one time.
I will say shipping was super quick and everything else has worked great!!
I am not 100% satisfied with this product. It failed after a few months. The handle pulled completely out. I ordered a replacement, along with a spare. So far it has held up, but it has become very tight. It's just a matter of time until it pulls out as well. At least I have a spare to fall back on.
The place where the handle ties in to the valve body needs some metal reinforcement. If you're not careful when you open the valve, the plastic seat will shatter and the handle will pull completely out.
On the positive side, replacement is a breeze on my trailer.
E-Trailer shipped my replacement 3” Valterra Waste Valve immediately upon order and it was received in two days using standard shipping. The valve was exactly as stated in the description and came with new gaskets and mounting bolts. This timely service saved my annual trout opener camping trip. Thanks E-Trailer!
This is my second product purchase from etrailer.com. First purchase was a custom trailer hitch for our PriusV car. Excellent fit, excellent directions, easy self install.
We needed a replacement waste valve for our 35 foot motor home. I was dreading getting the part from any RV center as they are generally always over priced. I did an online search for the part and, to my surprise, there was etrailer.com. Excellent price, excellent quality, and no hassle ordering with on time delivery. Highly recommend etrailer.com.
Replacing a five year old slide that came with the camper. This is a better quality slide. Easy to install. Etrailer is always great to work with! Love their videos!
Craig
4/17/2021
Perfect! Continues to slide as day one. One less frustration. Funny how you can be happy in a waste slide
I had to change black valve 3x. first one wouldn't close all the way . After replacing it , i found the gasket split that was the reason. The next valve started leaking ( gross) right away at the build points, after trying to tighten so it wouldn't leak , I don't know my own strength, the valve wouldnt open and in that process of tighten /loosen it cracked I threw it away and ordered another . After receiving it i took it apart put some plumbers putty around the edge to seal and used some lithium grease around the seal it's been great and error free .... hoping this one lasts so far it's been a year !!!
Installed the black tank valve this morning. It was an exact replacement, it fit perfectly and was easy to install. It works smoothly after installation.
Great product at a good price!
Jack
8/16/2017
Still working smoothly and leak free.
Wish they had longer handles
Excellent. Exactly what I needed. Perfect fit.
This 1-piece-body valve certainly did better than the original, which was a three-part body. But, it does leak a little no matter how well I installed the provided seals. Every time I open the drain cap to attach the hose, there is a little liquid/sludge on the wrong side of the valve, and a little toilet paper can prevent it from sealing at all. I think the problem lies in the fit of the actual valve to its seat, which is very loose. If you are in a hurry and need a valve where there is a broken one or none at all, it does the job. But if you have the time, get a better one.
Lazer S.
8/19/2026
Sorry to hear it isn't working as well as you were hoping, CJ. Do you think new seals would help at all? We can definitely ship some out to you if you think it will.
Valve fits well, all parts included to change. Easy install. Listed as direct replacement for my application.
I recommend a trailer highly the customer service representatives are fantastic and knew exactly what I needed to finish the job. Thank you, Trailer.
It was a pain the in ass installing it, but it's working fine.
After seeing reviews where people had issues keeping the seals in place I applied some gasket sealer to hold them. Worked like a charm and no leaks. As always Cassandra is always a big help.
This is a direct replacement for a failed Valterra valve that had worn/damaged seals. The included hardware with the new valve fit as it should and installation was straight forward.
A couple weeks ago I backed our travel trailer into a campsite and clipped a large rock with the waste tank drain system. The flange from the Y pipe was damaged so I needed to replace it and since the black tank valve may have been damaged, I decided to replace that as well. Etrailer had all the Valterra parts I needed and one important detail was that they were all identified with the Valterra part numbers eliminating any chance of miss-ordering a component.
Everything went together easily and the waste drain system on our TT is good as new. Thanks Etrailer!
Working perfectly installed on the same day as delivered.
Gwendolyn Y.
2/12/2026
Looks great, Stephen! When's your next camping trip with your rig?
No leaks, and valve still operates easily. Bought this valve for mobile RV tech to replace leaky valve on our travel trailer.
This is a smooth working valve. I like how the black tank valve has a black handle, as opposed to the gray valve having a gray handle.
Do you have a question about this RV Waste Valve?
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Scott B.
5/23/2021
1 year 100.