Monarch SE 2004----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Section 6 Water Systems | 251
Sinks, shower and clothes washer drains incorporate
a water trap or "P-trap" and auto vents to prevent waste
water holding tank odor from entering the motorhome.
These P-traps are usually within 54" of a vent tee.
These traps must have water in them to block odors.
During storage water can evaporate and allow odor
into motorhome. If odor is detected run water into sinks,
shower and clothes washer to fill drain traps. The auto
vent by design is to assist in the flow of water in the
drain lines. They enable a smooth flow of water in the
drain without creating a vacuum.
If the auto vent is stuck in the open position, grey
odors may enter the motorhome. Some auto vents can
double as "clean-outs" in case the line has to be
“snaked” out.
WARNING: Most chemical mixtures for holding tank odor
control are poisonous. Follow the product manufacturer's
directions and warnings when using any holding tank additive.
NOTE: During cold weather antifreeze must be added to the
drain traps.
The motorhome is not designed for extended use in below freezing (32°F/0°C)
weather. There are precautionary measures that can be taken for extended cold
weather use.
Interior water lines, fixtures, and drains above the floor are normally protected
from moderate freezing temperatures as long as the furnace is operating. Cold
temperatures can adversely affect water systems below the floor level because the
LP-Gas furnace heat does not provide heat to these components. A supplement
12 Volt bay heater and thermal snap disc are located in the water service bay. The
System Heat switch on the monitor panel operates the bay heater and should be
turned on when ambient temperature approaches 44ºF (+/- 6ºF) and freezing
temperatures may occur.
COLD WEATHER
CONDITIONS
Drain Traps & Auto Vents
070152
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