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ISOLATION VALVE
(TYPICAL)
DRAIN (TYPICAL)
SYSTEM SUPPLY SENSOR
(NOTICE: A SYSTEM SUPPLY
SENSOR MUST BE INSTALLED FO
R
PROPER BOILER OPERATION.)
Y-STRAINER
(RECOMMENDED)
(TYPICAL)
TEMPERATURE GAUGE
RELIEF VALVE
CHECK VALVE
(TYPICAL)
HEAT EXCHANGER 1
BOILER PUMP
SYSTEM PUMP
HEAT EXCHANGER 2
BOILER PUMP
TO FLOOR DRAIN
Near boiler piping
This piping reference is included to specify the Near Boiler Piping specific to the SYNC. This piping scheme is important for
proper operation of the SMART TOUCH control module. See the SYNC Installation and Operation Manual for more detailed
piping diagrams.
5
Service Manual