F
d
b
b l
&
h
B l M
l
Finned copper tube gas boilers & water heaters – Boiler Manual
15
F
F
Figure 9
Futera XLF Piping
A temperature rise outside of the range listed in Table 7
will result in damage to the heat exchanger, voiding the
warranty! Th e maximum allowable temperature rise
through the boiler is 35
o
F, 19.4
o
C.
Th e maximum allowable fl ow rate through a Futera
XLF boiler is 260 GPM, 16.4 L/s when equipped with
copper tubes. A cupronickel heat exchanger allows for
315 GPM, 19.9 L/s.
