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INSTALLATION
INSTALLATION
13 TYPICAL WATER SYSTEM SCHEMATIC
MC
RC
1
Shock arrestor
2
Anti-scald mixing valve
3
Boiler temperature sensor socket
4
Expansion tank
5
Drain
6
Water softener filter
7
Pressure reducer with check valve
8
Isolating valve
9
NOTE: These illustrations are intended to show the piping concept of the system only, the installer is responsible for all equipment
and details required by local codes. This drawing does not include necessary components that should be installed in a boiler system.
9
NOTE: When a water heater is installed in a closed water-supply system, such as one having a back-flow preventer in the cold-water
supply, means shall be provided to control thermal expansion. Contact the water supplier or local plumbing inspector for informa-
tion regarding the control of this situation.
UAC
VS
3
SC
UAC
EAF
MC
RC
VS
SC
14
1
8
2
8
4
8
8
5
Domestic hot water outlet
Domestic cold water inlet
Outlet from boiler
Return to boiler
Relief valve
Safety valve drain
6
7
EAF
8
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