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Chapter 4
Typical Hot Water Heater
Your vessel offers a hot water heater which is controlled
by the generator at sea or shore power while at dockside.
Like home water heaters the unit uses a T and P valve
which protects the hot water tank from excessive pressure
due to the water overheating. Should this occur the valve
would open and direct steam overboard via the thru-hull.
Also, there is a one-way valve that keeps the hot water from
back fl ushing into the cold water supply. The hot water
heater incorporates a drain valve to purge the system of
mineral deposits. A reset button is found at the aft end
of the component. The hot water heater may be located
under the fwd. berth or the engine room.
Typical Shower Sump Pump System
Your boat features a head with a shower. As part of the
drainage system a self-contained shower sump pump
collects all water and debris. After the water reaches a
predetermined level the fl oat switch permits the pump
to send the used shower water to an overboard thru-
hull fi tting or into a tank depending on the systems
onboard.
After showering, always let about one gallon of water
settle through the shower drain to help rid the shower,
drain, lines, and shower sump pump of possible debris,
hair, and mineral deposits.
TYPICAL SHOWER SUMP PUMP
INPUT
OUTPUT
VENT
FLOAT/
PUMP
REMOVABLE LID
CHECK FOR
DEBRIS
Refer to the sump shower hose identifi cation diagram for
specifi c hose routes found earlier in the air conditioner
section.
TO PREVENT HOT WATER HEATER DAMAGE!
NEVER ACTIVATE THE BREAKER
WHEN THE HOT WATER HEATER
IS NOT COMPLETELY FULL OR
THE ELEMENT WILL BE DAMAGED!
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