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O
T
The
MNI
HERM
NOTE: This drawing is a schematic
representation of a piping style and is
not intended to be used as a working
installation drawing. Local code
requirements must be met.
NOTES:
1. Locate the DHW sensor or remote aquastat
well in lower 1/3 of tank.
2. Backflow preventer may be required - check
local codes.
3. Thermal expansion tank may be required -
check local codes.
4. Caution: Pump sizing must be based upon
water hardness at job site.
5. If the tank does not have a tapping for the cold
water supply, the supply may be run to the pipe
between the tank and boiler inlet.
Figure 9.
DHW Piping - One Heater, Two Vertical Tanks
NOTE: This drawing is a schematic
representation of a piping style and is
not intended to be used as a working
installation drawing. Local code
requirements must be met.
NOTES:
1. Optional CWMU & recirculation line location.
2. Locate NTV DHW sensor or remote aquastat
well in lower 1/3 of tank.
3. Back Flow Preventer may be required.
Check local codes.
4. Thermal expansion tank may be required.
Check local codes.
5. CAUTION: Pump sizing must be based
upon water hardness at job site.
Figure 10. DHW Piping - Two Heaters, Two Vertical Tanks
. .
Page 33
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