68
* A Taco 008-BC6 or Grundfos 15-42 BUC7 (or equivalent) circulation pump
is recommended for use with the NCB-H boiler and DHW recirculation
systems.
* When using the external recirculation mode, observe the following
maximum recirculation pipe lengths including fittings (
3
/
4
” pipe is
recommended). Lengths in excess of these limits will require a larger
recirculation pump.
Maximum Pipe Lengths
Pipe Diameter
1
/
2
"
3
/
4
"
Maximum Pipe Length
100 ft (30 m)
400 ft (120 m)
Note
●
To use HotButton mode, install a HotButton and
recirculation pump.
●
Install the NaviCirc recirculation valve to the faucet
furthest from the NCB-H boiler.
●
If installed in close proximity to the boiler, faucets
further down the supply line will take longer to
receive hot water.
Summary of Contents for NaviCirc
Page 41: ...41 Return Water NaviCirc Temperature Sensor Wired Push Button Wired Push Button...
Page 90: ...MEMO...
Page 91: ...MEMO...
