Blog
3 Ways to Prevent a Plugged Black Water Holding Tank
As anyone who has experienced a plugged tank will attest, it is not fun and can be extremely difficult to clear without making a big mess! To prevent you from ever having to experience this unfortunate situation (or other black holding tank issues) you will need to...
Terminals on the back of the HD Switch—Do NOT Touch!
Every so often we have a customer call, like Mr. Kelly who had bought a new 5th wheel, that came with our Drain Master valve system, as a standard feature with the Drain Master switch. He discovered that the factory had either mislabeled the switches or connected the...
HepvO Waterless P-Trap, How big is it?
Frequently folks call and ask us how big the HepvO waterless P-trap is. HepvO complete kit The HepvO can be installed both vertically or horizontally. If you are not familiar, The HepVo Waterless Valve replaces the old P Trap with a short tube and internal...
How Does that LED light in the switch work on the Drain Master?
How does that red LED light on my Drain Master switch work? We are asked this by customers about 5 times a week. So we thought it might be a good idea to explain how in detail here. In simple terms if the light is on, the valve is open (to some degree.) If it is...
Chemical or Biological Holding Tank Treatments, The REAL Facts!
As the typical RV’er stands in the “Toilet Chemical” or “Sanitation” aisle in just about any RV supply store they often become overwhelmed by the number of different holding tank treatments sitting on the shelf. There are blues ones, green ones, orange ones, yellow...
Cleaning The Sewer Hose After Dumping
The other morning while talking to a customer about his neighbor's gray tank being caked with Black waste, he mentioned the need to clean his sewer hose after dumping, with fresh water from the spigot. Lots of folks do this, and quite frankly it is not a good...
Drain Master Offers Free RV Waste System Evaluation Service
StartWe have been helping customers with RV waste related issues for a long time creating many satisfied, if not down right elated customers! One service that you may benefit from is our free waste system evaluation. As many of you know RVs are sold to customers...
RV Holding Tank Flushers What Are they, How do they work?
Flushing RV holding tanks on a regular basis is an important element in eliminating tank blockages and foul odors in and around your RV. Many types of tank flushers have been produced over the years. The wand was popular for a long time. Folks did not like having to...
Sewer Smell Inside Your RV? HepvO Waterless P-trap to the Rescue
If you have ever had a foul smell in your RV and couldn't figure out where it was coming from, we may have the answer for you. The HepVo Waterless P-Trap! All RVs with holding tanks have a vent pipe secured in the top of the holding tank and going up through the roof,...