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newest valve

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S3VT Pro-Series Replacement Drain Master 3″ Valve
$269.70 SKU: 6009

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Product categories

Outlet Hose Kits (2)
Pro-Series Smart Valves (38)
Premium Electric Valves (10)
Valve Accessories (12)
Sewer Hoses and Storage - Motorhomes (17)
Sewer Hoses and Storage - 5th Wheels (20)
Hose Replacement Parts (18)
360 Roof Vents (2)
Waterless P-Trap (3)
Holding Tank Treatments (10)
Biffy Bidet (1)
Marine Ballast Valves (0)

Contact Info

Drain Master
400 Park Center Dr. Suite 6
Hollister, CA 95023

Toll Free: (877) RV STUFF
Phone: (877) 787-8833
Local: (831) 636-9775

7:30-4:30 Pacific M-F

Thank You (2)

About Drain Master

We specialize in premier, precision engineered RV Waste Management Products. Have a question related to dumping your tanks? We’ve got the answer!
Contact Us

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Outside Our Bubble | Love Your RV

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Proof that the right sewer hose can actually make

Proof that the right sewer hose can actually make you smile 😎

Thanks to Love Your RV! for featuring Waste Master — the hose that makes RV dumping less of a chore and more of a win.

@loveyourrv

#rv #rvlife #rving #camping #motorhome

Standard hoses leak, trap waste, and make dumping

Standard hoses leak, trap waste, and make dumping a nightmare.

Waste Master changes everything: leak-proof cam-lock seal, smooth interior for easy flush, puncture/UV-resistant build, shut-off valve + clear view port. No spills, no stress, no more drama! 🚐🔥

Full-timers swear by it—upgrade and never look back.

Drop a 💩 if you’ve been there, or 🙌 if you’re ready! Tag your RV buddy. Grab yours in-store now!

#WasteMaster #NoMoreLeaks #RVLifeHacks #BlackTankUpgrade #LippertRV

Ever wish your sewer hose could just… stay put? 😌

Ever wish your sewer hose could just… stay put? 😌
Our Motorhome Sewer Hose Kit is designed to store right inside your wet bay — connected and ready to go.

✔️ No connecting and disconnecting dirty fittings
✔️ Pull out only the hose length you need (Sta-Put feature)
✔️ Installs completely inside the wet bay — perfect for winter
✔️ Backed by a 5-year warranty

It may look like it won’t fit… but it doe.
Use our wet bay fit guide to see if it works for your setup!

#rv #rvlife #camping #campingtips #motorhome

So grateful for another year of adventures, memori

So grateful for another year of adventures, memories, and amazing people. Wishing you and yours a very Merry Christmas and a joyful holiday season 🎄❤️

Secure it. Lock it. Dump with confidence. 💪🚐 Our

Secure it. Lock it. Dump with confidence. 💪🚐

Our Cam Loc is designed to keep your connections tight and leak-free, so you can say goodbye to messy surprises and hello to stress-free dumping. Easy to use, rock-solid secure, and built for RVers who want things done right the first time.

Because when it comes to waste management, peace of mind is everything. 🔒✨

Mess-free dumping, finally 🙌 No leaks, no splashes

Mess-free dumping, finally 🙌
No leaks, no splashes, no stress — just a clean, simple way to empty your tanks and get back to enjoying the trip.

Because dealing with RV waste shouldn’t be the hardest part of RVing. 🚐✨

#rv #rvlife #rving #camping #campingtips #fulltimerver #motorhome #5thwheel #toyhauler #traveltrailer #rvwaste #drainmaster #wastemaster

Watch how fast our Premium Electric Valves get the

Watch how fast our Premium Electric Valves get the job done ⚡️💧
A quick tap, instant response — open, close, and you’re on your way. No sticking. No struggling. No guessing.

When it comes to dumping your tanks, speed and reliability matter… and our Premium valves deliver every time.

Ready to upgrade your setup? 😉

#DrainMaster #PremiumValves #RVLife #RVUpgrades #WasteSystemMadeEasy

🦃 Happy Thanksgiving from your Drain Master family

🦃 Happy Thanksgiving from your Drain Master family! 🦃

Today we’re especially grateful for YOU: our amazing customers who trust us when dumping your tank!

May your plates be full and your time with loved ones be absolutely priceless.
Enjoy the feast, the football, and the naps; we’ve got the waste covered!

With gratitude,
The Drain Master Crew 💚

#HappyThanksgiving #DrainMaster #GratefulForYou #TrashTalkTurkey

Nothing makes us prouder than hearing how our syst

Nothing makes us prouder than hearing how our systems make life on the road simpler, faster, and stress-free.

“The system is so simple and works amazing… and the customer service is amazing!”

From smooth installs to quick-draining tanks and support that actually shows up — we’re here to make sure your RV waste system works exactly the way it should. 💚🚐

Read the full review👇
“We had a complete RV holding tank electric waste gate valves, 3 inch drain pipe from the holding tanks, the storage box and much more installed on our DRV Mobile Suites Houston. I Love my Drain Master system and am so glad we put our faith in the company and its three amazing employees! The system is so simple and works amazing and the gray tank drains so fast going from a 2 inch pipe to a 3 inch pipe. While we were there we purchased a supplemental part to screw into the standard RV sewer system to go along with our complete Drain Master System and extra hose. Once we got back to the RV park to dump for the first time I realized that the extra part we purchased did not fit correctly. I contacted Cheryl at Drain Master and without hesitation she said she would mail one out to us at no cost. She later said that she insured the fit was snug before she shipped it out. This was all within 24 hours of reporting the issue to her. This is just one example of why Drain Master is the only one to go to for sewer solutions in RV’s!! The customer service is amazing!!”

#DrainMaster #RVWasteSpecialists #RVPride #RVLife #CustomerReview

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