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SECTION 7
PLUMBING SYSTEM
Proper application of a thread sealant will not
interfere with the anode’s
Pressure & temperature relief valve
The temperature and pressure relief valve is
designed to open if the temperature of the
water within the heater reaches 120° F, or if
the water pressure in the heater reaches 150
pounds. When this pressure is reached, the
pressure relief valve will open and water will
drip from the valve.
This “weeping” or dripping will continue until
the pressure is reduced to below 150 pounds,
and the valve closes. This condition is normal
and does not indicate a defective relief valve.
One way to reduce the frequency of this
occurrence is to maintain an air pocket at the
top of the water heater tank. This air pocket
will form in the tank by design; however, it will
be reduced over time by the everyday use of
your water heater. To replenish this air
pocket:
1. Turn off the water heater.
2. Turn off the cold water supply line.
3. Open a faucet in the motor home.
4. Pull out the handle of the pressure relief
(P&T) valve and allow water to flow from
the valve until it stops.
5. Release the handle on the P&T valve - it
should snap closed.
Close the faucet and turn on the cold water
supply. As the tank fills, the air pocket will
develop. Repeat this procedure as often as
needed to reduce the frequency of the
weeping P&T valve.
Maintenance
Do not allow the burner to burn with a yellow
flame, or continue to operate the water heater
with an improper burner flame.
Periodically, inspect the water heater vent for
soot. Soot is a sign of incomplete combustion
and must be corrected before operating the
water heater. This is your visual warning that
the water heater is operating in an unsafe
manner. If soot is present, immediately shut
the unit down and contact your dealer or a
qualified service agency.
Periodically inspect the vent for obstructions.
Do not terminate the vent on your water
heater inside of add-on rooms, screen
porches or patios. Doing so will result in
products of combustion being vented into the
rooms or occupied areas.
Draining the water heater
The water heater should be drained if your
motor home is going to be stored for an
extended period of time. If the motor home is
to be stored over the winter months, the water
heater must be drained to prevent potential
damage from freezing. Damage to the water
heater caused by freezing is not warrantable.
Refer to the water heater manufacturer’s
owners manual for details on winterizing your
water heater.
Do not place a valve between the pressure
and temperature (P&T) valve and the tank.
Do not remove or plug the relief valve
under any circumstances.
1. Turn off electrical power to the water
heater either at the switch from the
electrical element of at the breaker.
2. Shut off the propane supply to the water
heater.
3. Turn off the pressure pump on the water
system.
4. Open both hot and cold water faucets.
5. Remove the anode rod from the tank.
Water heater bypass
Your motor home is equipped with a water
heater bypass. The water heater bypass is a
three-valve system located at the water
heater. The water heater bypass valves must
be in the NORMAL position (open the hot and
cold valves, close the mixer – or middle –
valve) to use the water heater (and when
sanitizing). If winterizing the motor home
plumbing system, position the three valves to
the BYPASS position (close the hot and cold
valves, open the mixer - or middle - valve
).
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Содержание SENECA
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