Antifreeze In The System - Dunkirk EXCELSIOR EXB4075 Installation, Operation & Maintenance Manual

12.1 Antifreeze added to boilers must be nontoxic,
and must be of type specifically intended for use in closed
hydronic heating systems. Under no circumstances should
automotive antifreeze be used. Antifreeze used in any
boiler may reduce capacity by 10% or more and increase
fuel consumption. See Table 6 and 7.
Table 6 - BOILER WATER VOLUMES
Number of
Boiler Section
4
5
6
7

12 - ANTIFREEZE IN THE SYSTEM

Total Volume
(Gallons)
3.6
4.3
5.1
5.9
Table 7 - PIPING WATER VOLUMES
PIPE SIZE
½"
¾"
1"
1 ¼"
1 ½"
2"
Divide total length of piping in feet by
appropriate factor in table to determine volume
in gallons.
33
COPPER
STEEL PIPE
PIPE
FACTOR
FACTOR
82.5 63.5
40.0 36.0
23.3 22.2
15.3 12.8
10.8 9.5
6.2 5.8