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Drain Master RV & Marine

4.8

About this business

We are the RV Waste Management Specialists. Have a question about dumping your holding tanks? We've got the answer. Drain Master Electric Waste Valves, The Waste Master Sewer Hose Adapter Kit, Hepvo Waterless P-Trap, 360 Roof Vent are just a few of the products that can make dumping your holding tanks simple, safe, sanitary and environmentally friendly. We manufacture and sell direct to save you money. 

Location details

400 Park Center Dr #6, Hollister, CA, 95023, United States

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WeekdayScheduleStatus
Mon7:30 a.m. to 4:30 p.m.
Tue7:30 a.m. to 4:30 p.m.
Wed7:30 a.m. to 4:30 p.m.
Thu7:30 a.m. to 4:30 p.m.
Fri7:30 a.m. to 4:30 p.m.
SatClosed
SunClosed
4.837 reviews
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David Fowler's profile image
David Fowler 
on Google
3 weeks ago

We added Drain Master electric valves to our 2025 Riverstone 442MC. No more getting on my hands and knees to drain our tanks. Now we can drain all four of our tanks with the push of a button. Mukul from DM Engineering was amazing to work with, met us for dinner and explained in detail how to install the system on our rig. He was available for calls and helped with other products/supplies needed to install the valves….these valves will make your life so much easier 

Chris Smith's profile image
Chris Smith 
on Google
3 weeks ago

I installed the hose storage on my unit and I could not be happier with it. It will save so much setup hassle and inconvenience now. Thanks for your help in this and check out the pictures. 

Joey Raymond's profile image
Joey Raymond 
on Google
a month ago

I was incredibly impressed with Drain Master.Their facility is top notch, and it’s great to see a small family business producing such a high quality product. The team was knowledgeable and welcoming, making the whole experience even better. In my opinion, if you don’t have a Drain Master installed in your RV, you’re working way too hard! This system makes waste management effortless. Highly recommend upgrading your setup with their excellent product! 

Allen Powlis's profile image
Allen Powlis 
on Google
4 months ago

The original valve lasted 20 years so I was determined to replace it with an original part. Cheryl-Ann was very knowledgeable and provided me with a replacement part and the mechanical information needed to maintain my system. 20 out of 10 rating. Thank you Drain Master. 

Jim Leibold's profile image
Jim Leibold 
on Google
4 months ago

I've lived FT in my motorhome since August of 2017. One of the 1st upgrades I had completed was having Drain Master install their fully electric dump valves on my black and grey tanks, as well as installing an upgraded sewer hose and under frame storage compartment for it. In addition to the dump switches in the wet bay, I had them install a remote switch panel up in the bathroom. This system has now performed flawlessly for well over six years, and continues to be one of the best upgrades I've made. Drain Master's team are ... read more

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Frequently asked questions about Drain Master RV & Marine

How is Drain Master RV & Marine rated?

Drain Master RV & Marine has a 4.8 star rating with 37 reviews. 

When is Drain Master RV & Marine open?

Drain Master RV & Marine is closed now. It will open at 7:30 a.m. 

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