1-29
INSTALLATION
DC SERIES COMBI BOILERS DC 23-84, DC 29-106, DC 33-124, DC 33-160
Figure 30: Tankless DHW Piping Options – concept drawing. This drawing is only a simple
schematic guide.
Thermostatic Mixing Valve
DOMESTIC HOT WATER
DELIVERY
@ 70°F / 39°C temperature rise
DC 23-84 2.0 GPM
DC 29-106 2.5 GPM
DC 33-124 3.0 GPM
DC 33-160 3.0 GPM
DANGER
The factory supplied
thermostatic mixing valve
must be installed on the direct
domestic hot water piping
connections at the boiler or
at the outlet of a domestic
hot water storage tank if the
domestic hot water function
is used. Failure to install the
thermostatic mixing valve
may result in a hazardous
situation which can cause
serious injury or death.
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