8
ZONE 1
ZONE2
ZONE 3
REAR OF
BOILER
BRANCH
BRANCH
12"
MAX
FRONT OF
BOILER
AIR ELIMINATOR &
EXPANSION
TANK
PRIMARY
PUMP
PRIMARY
LOOP
SECONDARY
PUMP
LOAD
PUMPS
TO
EXPANSION
TANK & SYSTEM
FILL
An alternate method of connecting the supply and return piping can be seen in
figure #2
below.
(Refer to the engineering manual for detailed piping recommendations.)
note:
The tapping sizes for the supply and return piping are 2” and 1 ½” respectively.
It is recommended that the main piping be 3” and the branches 1 ½”.
priMarY secondarY piping
figure #2
PRIMARY SECONDARY PIPING
Summary of Contents for SFM24150W
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