Caring for Your RV Fresh Water System

Fresh water is one of those things that manyfind. There will be one for the hot and another for
people take for granted. If you are an RV owner,the cold water lines. This is the lowest point in the
be sure to keep your fresh water systemwater system. Open these and let the water
properly maintained and in good working order.drain out. Next, find the drain for the fresh water
Don't let a faulty fresh water system spoil yourholding tank and release all of the water from it.
hard-earned vacation.At this point, turn the water pump on for a
Caring for an RV fresh water system doesn'tmoment to force any remaining water out. Be
need to be an intimidating process. In fact, it'ssure to shut off the pump as soon as the water
easier than most people think. There are nostops draining. Close all of the drains. The majority
guarantees that any water system deliversof the water has now been drained from the
completely safe or pure water, but taking certainsystem.
precautions can keep your RV water safer andThe next step in sanitizing your water system is
easier to use. Thanks to Mark Polk for histo take a quarter cup of household bleach for
contributions.every fifteen gallons of water that your fresh
Begin with a white, non-toxic drinking hose. Hoseswater tank holds. Mix the bleach with water in a
not labeled "safe for drinking" can allow lead andone-gallon container and pour it into the fresh
other dangerous chemicals to get into the water.water holding tank. Next, fill the fresh water tank
Use the white non-toxic hose solely for hookingalmost completely full of water. Turn the water
up to your water source. Take along a green orpump on, open all hot and cold faucets in your RV
black garden hose for all other flushing and fillingand run the water until you smell the bleach at
tasks, like cleaning out holding tanks or washingeach faucet. Close the faucets. If it's possible, pull
the RV. While the white drinking hose is not inthe trailer or drive the RV to move the water
use, roll it up and connect the two ends together.around and assist in cleaning the entire tank.
This will keep dirt, contamination and other debrisOnce the tank has been filled with the
from getting in the hose. When you are ready tobleach-water combination, let it sit for at least 12
use it again, run some clean water through thehours. Drain the entire system again, and then
hose as an added precaution before hooking it upre-fill the fresh water tank with potable water.
to the RV.Open all of the faucets and run the water until
The next step is to filter the incoming water withyou no longer smell any bleach. It may be
a high quality filtration system. Water filtersnecessary to repeat this process to eliminate all
cannot purify the water completely, but they cansigns of bleach from the water system. When
help to control and remove bacteria, lead andthe smell of bleach is gone, it will be safe to use
other dangerous contaminants found in drinkingyour water system.
water. Hydrolife filters feature a filter media calledModern RVs are equipped with automatic
KDF that uses electrochemical oxidation-reductionpressure demand pumps, polyethylene fresh
to neutralize harmful chemicals and bacteria. Thewater storage tanks and polybutylene water lines.
hydrolife filter also uses carbon to reduceThese systems were designed to operate at a
pesticides, fungicides and other organiccertain maximum water pressure level, about 35
contaminants.to 45 pounds per square inch. The on-board pump
There are two basic options for filtering your RVhas a built-in pressure switch that shuts off
water system. An inline filter installs directly to thepower to the pump when the pressure has been
water line that you drink from. The other, morereached. Most homes and RV parks have a city
preferable option is to filter all of the water goingwater connection to supply water. Often, the
into the RV. By doing so, you are protecting thepressure at these facilities exceeds 80 pounds per
entire water system, filtering the shower watersquare inch, and sometimes much more.
to help prevent any skin irritation.Take care, as this high-pressure can and will cause
Possibly the most important step is to keep yourleaks to develop.
fresh water system sanitized. At an absoluteFor your peace of mind, invest in a simple water
minimum, the system should be sanitized everypressure regulator to use whenever you're using
spring when you take the RV out of storage.an outside water supply source. This device
Additionally, be sure to sanitize the fresh watercontrols the incoming water pressure to supply a
system any time you notice an odor.continuous and regulated 45 PSI maximum. The
To sanitize the fresh water system, begin byregulator is connected at the supply end of the
draining the water heater. Find the water heater inhose to protect the hose and the RV at the
the outside compartment of your RV. The drainsame time. You can purchase a water pressure
plug, or petcock, is located in the bottom leftregulator at your local RV supply store.
hand corner. Remove the plug and open thePeople enjoy the RV lifestyle because it offers
pressure relief valve on top of the water heater.freedom to travel with all the comforts of home.
CAUTION: NEVER drain the water heater whenMake sure that your comfort includes a supply of
the water is hot or the tank is under pressure.clean drinking water wherever your travels might
Locate the lowest point where the water linestake you.
drain. Look carefully, as they can be difficult to