LAARS NeoTherm NTV (Sizes 150–850 MBTU/h) - Install and Operating Manual - Manual (Page 33)

Page 29 N eo T herm Boilers and Water heaters
Figure 24 - DHW Piping, Two Heaters, One Vertical Tank
Figure 25 - DHW Piping, Two Heaters, Two Vertical Tanks
NOTES:
1. Optional CWMU & Recirc. 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. Factory mounted pumps are sized for a max
pipe length of 30’ total, 6-90° elbows, full pipe size.
6. Caution: Pump sizing must be based on
water hardness at job site.
WARNING: This drawing shows
suggested piping configuration and
valving. Check with local codes and
ordinances for additional requirements.
NOTES:
1. Optional CWMU & Recirc.
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. Factory mounted pumps are sized
for a max pipe length of 30’ total,
6-90° elbows, full pipe size.
6. Caution: Pump sizing must
be based on water
hardness at job site.
WARNING: This drawing shows
suggested piping configuration and
valving. Check with local codes and
ordinances for additional requirements.