LAARS NeoTherm NTV (Sizes 150–850 MBTU/h) - Install and Operating Manual - Manual (Page 32)

Page 28 LAARS Heating Systems
Figure 23 - DHW Piping, One Heater, 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.