49
Figure 8-6 Piping of an IW water heater model 399, 500, 750 and 1000
CAUTION!!!
This is a concept drawing
only. It is up to the system designer to
determine the necessary components,
including additional equipment
and any safety devices which in
the judgement of the designer are
appropriate, in order to properly size,
confi gure and design that system and
to ensure compliance with building
and safety code requirements.
1 = Water heater
2 = Manual gas shut-off valve (Install manual gas shut-off
valve 5 ft (1.5m) above fl oor)
3 = Storage tank Pump (Local pump)
4 = Filter
5 = Union
6 = Ball valve
7 = Storage tank
8 = Storage tank T-P relief valve
9 = Expansion tank
10 = Mixing valve
11 = Temperature gauge
12 = Back fl ow preventer
13 = Recycling pump (If needed)
8 - INSTALLATION - IW water connections
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