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Slant/Fin VSLII DHW Settings
1 = Boiler
2 = Air separator
3 = Ball valve
4 = Drain valve
5 = Filling valve
6 = Expansion tank
7 = Filter
8 = Check valve
9 = Boiler circulator
VSL II Water Connections
10 = Manual gas shut-off valve (Install manual
shuttle valve 5ft (1.5m) above floor)
11 = Ground joint union
12 = Condensate drain
13 = Relief valve drain
14 = Indirect water heater pump (DHW pump)
(If needed)
15 = Heating circulator (Controlled by
third-party control)
16 = ASME relief valve
CAUTION!!!
This is a concept drawing
only. It is up to the system
design or to determine the
necessary components,
including the additional
equipment and any safety
devices which in the
judgment of the designer
are appropriate, in order to
properly size, configure and
design that system and to
ensure compliance with
local and national code.
3
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