96
Plumbing Systems
Water Heater, Continued
Water heater bypass
The water heater bypass is comprised of three (3) valves, located
at the back of the water heater: a. Cold Water Line Bypass Valve,
b. Mixer (middle) Valve, and c. Hot Water Line Bypass Valve.
Also see page 102, Water Heater Bypass / 3-Valve System.
• Reference the photos & diagrams that match
the Water Heater installed in your RV.
• During normal camping use, turn the water heater bypass
valves to the Normal Use positions shown below:
Flow
Blocked
Hot Out
Cold In
Water Heater Normal Use Positions
a.
b.
c.
• During Winterization or Sanitization, turn the water heater
bypass valves to the Bypass position shown below:
Bathroom Shower
Unlike your home, the RV does not contain a water pressure
balance valve. When the shower is in use, DO NOT run any
other water until shower is finished. Air may need to be bled
out of the plumbing lines before a steady stream of water flows.
1. Keep aware of the water heater and holding tank capacities.
All water used, will drain through the plumbing lines into the
grey water holding tank.
2. Be sure the water heater is ON and has sucient time
to heat the water.
3. If dry camping, be sure the 12-volt water pump is ON.
Water Heater
3-Valve System
as equipped
b.
c.
c.
b.
Flow
Blocked
Cold Out
a.a.
Flow
Blocked
Hot OutCold In
Flow
Blocked
Antifreeze OutAntifreeze In
c.
c.
b.b.
a.
a.
Flow
Blocked
Normal Use Positions
Bypass Positions
Antifreeze
Out
Antifreeze
In
Flow
Blocked
Water Heater Bypass Positions
a.
b.
c.
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