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Domestic Hot Water
The 12C-Two engine is equipped with a domestic
hot water connection. If the owner/operator wishes
to connect a hot water heater. remove the bypass
hose and connect a heater as described in the
instructions presented below.
General: With the bypass hose
(part
#30962) re-
moved, there remain two connecting points
A
and
B
for hoses to
run
to and from the water heater. These
connections assure a flow of hot water through the
heater at all times but do not restrict the engine's
cooling water.
Aow Controller
Installation:
The water heater should be mounted conveniently, either in a high or low position in
relation to the engine, so that the connecting hoses from the heater to the engine can run in a reasonably
direct line without any loops which might trap air. Connection point A on the Flow Control housing
should connect to the lower of the two connections on the water heater while the upper connection on the
heater returns to connection B, nearest to the heat exchanger.
~
Pressure Cap is Rated
Lower than Manifold Cap
Heater Coils Below Manifold Pressure Cap
~
Air Bleed Petcock
Heater
Below
Engine
Remote Expansion Tank·
......
Heater Coils Above Manifold
Pressure Cap
Heater Above Engine
The illustrations shown above are Flow Control designs that have been adapted to operate with the single
pass manifolds installed on the l2C-Two engine
52
Westerbeke Engines
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