1. RV Waste Valves
  2. Valterra
  3. Single Waste Valve - Manual
  4. Sewer Wye
  5. 1-1/2 In Hub
  6. 3 In Hub
Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub

Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub

Item # T38
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RV Waste Valves
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T38 - 1-1/2 In Hub Valterra RV Waste Valves
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RV sewer wye combines fixed black-water and rotating gray-water waste valves. 3" Hub slides over black-water line. 1-1/2" Hub slides over gray-water line. Bayonet cap fits over the 3" lug fitting that connects to your sewer hose. Lowest Prices for the best rv waste valves from Valterra. Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub part number T38 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (36)
  • Q & A (11)
  • Photos
  • Why etrailer?

Valterra RV Waste Valves - T38

  • Single Waste Valve - Manual
  • Sewer Wye
  • 1-1/2 In Hub
  • 3 In Hub
  • Valterra
  • Stationary Valve

RV sewer wye combines fixed black-water and rotating gray-water waste valves. 3" Hub slides over black-water line. 1-1/2" Hub slides over gray-water line. Bayonet cap fits over the 3" lug fitting that connects to your sewer hose.


Features:

  • RV sewer wye combines a 1-1/2" waste valve and a 3" waste valve
    • Can be used as a replacement part or upgrade your existing setup
  • Y-configuration merges the flow of waste from your black-water tank and gray-water tank
  • 3" Hub slides into your RV's black-water line
  • 1-1/2" Hub slides over your gray-water line
    • Rotating valve offers easy access at mounting location
    • Position valve at desired angle during installation
  • Bayonet-style cap covers lug fitting when not in use
    • Integrated strap keeps cap connected to valves
  • Durable black ABS plastic construction
  • ABS solvent cement (sold separately) required for installation
  • Gray and black handles for easy identification of valves
  • 1-Year warranty


This RV sewer wye with valve is a part of your motor home's waste management system. The Y-configuration combines the flow of wastewater from your gray-water line and your black-water tank. Connect your sewer hose to the 3" lug fitting on the sewer wye and open the valves to drain your holding tanks.



T85NH Valterra Motorhome Sewer Elbow w/ Double Valves - 3" Fixed Hub x 1-1/2" Rotating Hub x 3" Bayonet Cap - No Handles






Customer Reviews

Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub - T38

Average Customer Rating:  4.8 out of 5 stars   (36 Customer Reviews)

RV sewer wye combines fixed black-water and rotating gray-water waste valves. 3" Hub slides over black-water line. 1-1/2" Hub slides over gray-water line. Bayonet cap fits over the 3" lug fitting that connects to your sewer hose.

- T38
by:

The Parts I received matched up nearly perfect with the existing plumbing, that was ripper off when the inner duel blew out and took out all the piping along with the dump valves.


Comments
It’s been working very good, actual better than the original.
jack - 06/16/2020


- T38
by:

Great product, even better than the original! The rotating valve solved my alignment worries and makes it easier to open in that position. The original Valterra valve lasted more than 30 years, until I broke it. Love the DIY info and tutorials.


Comments
Still loving it! A sewer valve that works? Whats NOT to love?
Philip B - 11/11/2017



- T38
by:

Arrived in less than a week. New, shiny and well made. Have not installed it on the camper as yet. Looks like the photo above. Broke the old one on a rough non paved trailer truck turn around at a truck stop. Fortunately the tank was empty before the accident.



- T38
by:

Here's what I think: the valve fit on nicely, after I simply cut off the old valve assembly. The old "stubborn out", being 30 years old...needed to be cut back due to tremendous oxidation. Installing wad easy. PVC cleaner/glue...held in place for 4y seconds with "toss away surgical gloves - done.



- T38
by:

A nice looking valve assembly hope it goes in easily



- T38
by:

Quick service with great fit!



- T38
by:

Good quality valves



- T38
by:

WORKED GREAT . I MODIFIED NEW TRAILER DRAIN SYSTEM WITH YOUR PRODUCT THAT IS MORE USER FRIENDLY AND BETTER THAN MY ORIGINAL PART . EXCELLENT CUSTOMER SERVICE , GOOD TO KNOW COMPANIES STILL ACTUALLY FOLLOW UP .THANKS



- T38
by:

Perfect match for original parts.



- T38
by:

Good product and quick delivery. I'm pl eased.



- T38
by:

Product was received in good condition. I was contacted by etrailer with notice that my shipment would be delayed. I appreciated the heads up so I could plan accordingly. However the product was received about the time I originally expected. The product also worked for me. I was a little concerned that I would have to alter plumbing on my trailer, but fortunately I did not. Many thanks for the service and for getting me what I needed.



- T38
by:

Bought this double valve to replace the one damaged on my RV. Received a quality replacement that fit perfectly. The replacement part was well packaged and shipped fast. Have made previous purchases from etrailer and will continue to do so.



- T38
by:

Ez install and a direct fit. Just lasted through a frozen tank with no issues



- T38
by:

I was amazed at how quickly the order was processed and shipped. The item was well packaged and arrived undamaged. Quite a refreshing change compared to my other online purchases. Excellent service!



- T38
by:

Thought I was going to need a part by part rebuild of my 20 year old waste valve. Here it is, already put together and for less than I would have paid for the parts. Thank you very much



- T38
by:

Product is as described and works perfectly, made as well or better then the original that came with our RV! Very simple installation as well....



- T38
by:

Perfect for what we needed the product for! Quality construction and functioned great! Easy installation.....Thumbs up!



- T38
by:

I have had this a year on my 99 Trail Lite Bantam Hybrid and it works great! Easy to use!



- T38
by:

Great Service. Product was exactly what was needed; Quality OEM part; Very easy installation.



- T38
by:

Easy to find part needed. Easy to order. Prompt delivery.



- T38
by:

exact part I needed delivered to my door quickly at a great price IT DON'T GET NO BETTER THAN THAT



- T38
by:

My product I order worked prefect Thank You



- T38
by:

Works great!!



- T38
by:

Was able to install with ease. Been working well since.



- T38
by:

Great product. Well built. Great servic e!


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Ask the Experts about this Valterra RV Waste Valves

  • Can The Valterra Double Waste Valve Hub Replace Current Valves On A 2010 Coachmen Freedom Trailer
    Yes, you could just simply swap out to the Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub # T38. You will probably find it is put together with some ABS solvent cement # A05-0303 which will require you to cut the old pipes. I recommend keeping the cut as close to the valve connection as possible and then you won't have to add on additional pipes to add length.
    view full answer...
  • Comparing the Valterra Sewer Wye Part T38 and Part TR38
    The Double RV Waste Valves part # T38 has rotating valves on both the black water 3" hub outlet and the grey water 1-1/2" hub outlet whereas the Double RV Waste Valves part # TR38 only has a rotating valve on the grey water 1-1/2" hub outlet.
    view full answer...
  • Is Sealant Required When Installing Valterra Fixed Y Double Valve
    You need to use a sealant like our Valterra ABS Solvent Cement # A05-0303 to seal the connections when installing the # T38. Without doing that you most likely would get leaks. You current setup will be glued too so it would require you to break it loose.
    view full answer...
  • What Is Needed To Drain Gray Water Tank With Bayonet Style Hose
    I may have another option but there is not an adapter to replace your screw in cap. Your best bet to be able to empty your gray water tank with a bayonet type hose would be to use a waste valve like the Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub # T38 which will allow you to have your gray and black water drain from the same bayonet hose when you are at a full service camp site. This will require you to remove your old waste valves and will require Solvent...
    view full answer...
  • Is Glue Used to Install the Valterra Fixed Y Double Valve T38
    You will need to use a glue to attach the part # T38. The part is ABS plastic, so you could use an ABS sealant or glue. The glue is not included though. Part number # 0160297 will seal plastic parts and would work well for you.
    view full answer...
  • How to Merge Grey and Black Water Sewer Drains
    The setup you have with two waste valves is going to require the tanks to be drained one at a time as they do not make a wye drain hose or wye camlock fitting for the Waste Master RV Sewer Hose part # LC359724. Typically, the point at which the black and grey water tanks merge for draining occurs at the valve with a sewer wye like the Double RV Waste Valve part # T38. I have attached a list of our sewer wye valves for you if you would like to change your setup so that the black and grey...
    view full answer...
  • Replacement Double RV Waste Valve for Older Travel Trailer
    The Valterra # T38 Double RV Waste Valve isn't travel trailer or valve brand specific. As long as the existing black water drain is 3 inches and the gray water drain is 1-1/2 inches in diameter, the Valterra # T38 would be compatible. The ABS solvent cement is available separately as part # A05-0303.
    view full answer...
  • Valterra Double RV Waste Valve Inner Diameter Dimensions
    For the Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub # T38 the internal dimension of the black tank hub is 3.5" to allow for a 3" pipe to slide into it and the internal dimension of the gray water tank hub is 1-15/16" to allow for a 1-1/2" pipe to slide into. The bayonet end that has you would hook up a drain pipe to has a 3" inner diameter. To attach these hubs to their respective pipes you'll need some Valterra ABS Solvent Cement # A05-0303 as well.
    view full answer...
  • Replacement Dual Waste Valve for Coachman Freedom Express
    Dual waste valves, such as the Valterra # TR38A, are nearly generic by nature. This one has the standard 1-1/2" gray water gate and standard 3" gate, and has a "Y" shape. You should also look at the Bristol # 34466ND13AAR Double Waste Valve that has more of a "T" shape, or the Valterra # T38. Compare what you have on your Freedom Express to these and one should be a match. Many of these connections will have been factory installed with solvent cement an will have to be cut off. Be...
    view full answer...
  • RV Grey Water Fittings with 1-1/2-Inch Diameter
    We do have RV grey water valves and related items with a 1-1/2-inch diameter fitting. All connectors and fittings with this diameter are shown on the linked page; a second page showing valves like # T38 and # T80 is linked too.
    view full answer...
  • Is there an Adapter that Fits a 3-3/4 Inch Threaded Sewer Outlet and has Bayonet Fittings
    We do not have an adapter that is threaded on the inside to work with the sewer hose outlet that is threaded on the outside on your trailer. But what you could do is replace what you have with something like Double RV Waste Valves - Wye - 3" Fixed Hub and 1-1/2" Rotating Hub to 3" Lug Item # T38 in order to replace both the black and gray water valves.
    view full answer...

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Jeff D
Installed by:
Jeff D
Employee Amy B
Written by:
Amy B
Employee Halie H
Updated by:
Halie H

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