4 Essentials For Maintaining RV’s Plumbing System

4 Essentials For Maintaining RV’s Plumbing System

When it comes to a hassle-free RV life, learning about running water and a sound plumbing system is essential. You have an RV with the pre-installed plumbing system, and you might think you are all done. However, good knowledge about each part and how it works in the plumbing system is essential. If you build an RV from scratch, making a plumbing system will be time-consuming and need careful handling. 

How Does The Water System Work In An RV?

RV plumbing systems initially depend upon the model, make, and size of the motorhome. The basement is a great storage area for RV to keep tanks and other more extensive equipment. RV’s water tanks allow you to bring fresh water and take out wastewater when you need it. The portable water tanks have a place to attach a food-grade hose to fetch water from the city water system. To get the essence of drinkable home water, you will have to hook up your RV port with ‘city water.’ The rig will be placed on the RV’s exterior to port the city water with your RV hose and drain hose connection. Use a hose designed for drinking water only. Also, make sure to port with city water only on the campground, houses, or other reliable drinking water sources.

RV Tanks and Water System

Apart from more prominent basement plumbing equipment, the RV plumbing system includes sinks, showers, and toilet facilities.

Your freshwater tank is the essential purchase that you make for RV plumbing. You have to rely on a freshwater tank for clean and safe drinking water. These tanks vary in size, but they can hold water for dry camping or boondocking for a few days. Various types of freshwater tanks depend on the size of the vehicle you have. 

Gray water tank holds any wastewater from your RV, especially the water that drains from various RV basins and RV sinks. The gray water tank is also attached with the RV kitchen sinks and small RV bathroom sink. The black tank is made and used for holding human waste. 

The water pump is the next vital part of the RV plumbing system. The water through the system needs a pressure of 12v pump for its distribution. Water pump prevents specific problems like dripping water while showering or using a lavatory sink. It also helps to avert the bursts of water running from the kitchen sinks and lavatory sinks. A good water pump is a life-saver, as all the plumbing system depends on this equipment. 

Essentials Tips for Maintaining RV Plumbing System 

Use Proper Kitchen Sinks `1 and Toilets 

In the RV Plumbing System, the sink is an essential part that you cannot live without. The sink parts have many small segments like sink covers and drain parts. If you are particular about keeping the pipeline free from debris, you must buy a few sink accessories. A small stainless steel sink for RV has wide adaptability. It can be conveniently cleaned and directly installed. 

Most RV sink stoppers can be raised to release the water and lowered to fill the sink with water. Having a traditional stopper can be handy if you have small children in your motorcar. The RV sink strainers help to catch the minor things, even a grain of rice. Unfortunately, it can also strain the hair, which is known as the primary clog-maker. 

Sink mats may seem like something you don’t need, but it performs proper drainage functioning. It prevents your valuable crockery from breaking and also choking the sink. If you are thinking of putting a sink cover, it would be a great idea to do it in a multi-purpose way. You can get several sink covers to buy from the market. Also, you can find an RV sink cover replacement by using wooden cutting boards or chopping blocks. They can act as a space saver and keep your sink clean. 

RV or camper sinks for the kitchen and bathroom come with many options and designs. Today utility sinks have a whole new dimension. You can use it inside your RV as well as outdoors for camping. The best brands you can choose for sinks are the Bristol sinks and Lippert sink, the names that stand for quality products for years. If you have a space problem, then lavatory sinks are the best choice for you. Nowadays, it comes in both steel and plastic materials. These corner sinks are space savers and fulfill the purpose well, especially for the RV bathroom area. Dometic lavatory sinks provide both a stylish look and the best utility product. That RV stainless steel sink has a safety glass lid which allows for more work area when it is closed. Robust material and compact design make Dometic sinks unique and popular. 

Watch Out Your Flushing System

Remember that your RV toilet can take only solid and liquid biological wastes along with disposable toilet tissue paper. RV toilets are not designed for other waste products like general household trash. It can create issues with your black water tank, build up foul odor and hamper the natural biological cycle. Use only the dissolving tissue specially made to flush out and avoid other products. Keep your toilet system clear to avoid sudden plumbing problems. RV toilets are not rugged and robust like porcelain toilets at home. Treat your bathroom with gentle care to use for a long time ahead. 

Check Often The Black Tank and Vent System

To continue with a smooth toilet and disposal system:

  1. Maintain your black water tank’s natural process. If you think the wastes need to break down, there are chemical products, especially RV plumbing.

  2. Avoid home plumbing products that can damage the plastic of your sink and result in permanent leaks.

  3. Empty your black water tank whenever it is necessary and allowed.

In addition, please do not leave the black water tank open. It can form entire solid waste without liquid, which can create problems during disposal. Always let the tank be complete before emptying. 

Your vent system should be free of any issue. However, you have to check it often to avoid an unpleasant smell. The smell can go up from your black tank to the toilet. Bottling up the air can create immense pressure. To release the tension, using the vent for your sewage system will be helpful. Leaves, dirt, pollen, and other filthy things can clog the ventilation system of your RV. It can force the sewer gas to go upwards and make using your toilet a problematic task. It can also obstruct the plumbing system and interfere with the natural process. 

Keep the RV Water System Sanitary

Perhaps an essential part of the RV plumbing system is maintaining the hygiene process and disinfecting the tank. A regular cleaning, checking the water level meter, and sanitizing should keep the plumbing system on the right track. 

  • Deodorize your septic system or black tank

  • Drain all tanks, including freshwater, wastewater, and hot water tank

  • Clean the P-Trap of your bathroom system

  • Replace the damaged parts with small pipings. For more extensive work like an RV sink replacement, you might need help from an expert or have essential plumbing tools.


During your travel, the problem regarding the plumbing system can emerge without any notice. Therefore, it is helpful to understand the essential information about plumbing, even for new owners or campers. If you know the tricks and tips about your plumbing system, you can maintain it confidently. 

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