State Standard Systems - Manual (Page 6)

6
sYstem diaGram/tYpical installation
Figure 1.
i n s ta l l va c u u m
r e l i e f i n c o l d
Water inlet line as
required BY local
codes.
install suitaBle metal drain
pans under heaters to prevent
damaGe due to leaKaGe. refer
to Water heater location, see
“locatinG the solar Water
heater” section.
install thermal eXpansion
tanK or device if Water heater
is installed in a closed Water
sYstem.
6” Maximum Air Gap
Piped To An
Adequate Drain
At Least 2” Greater Than The
Diameter Of The Water Heater.
Metal
Drain
Pan
Discharge Pipe
(DO NOT CAP
OR PLUG)
Flow Direction
NOTE: SEE SYSTEM COMPONENT
TABLE FOR DESCRIPTIONS
1 1
6
10
9
4
7
3
10
8
5
2
11
VACUUM RELIEF
VALVE
INSTALL PER
LOCAL CODES
INSTALL THERMAL EXPANSION
TANK IF WATER HEATER IS
INSTALLED IN A CLOSED
WATER SYSTEM