A.O. Smith DRE - 52/80/120 Water Heater User Manual


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DRE
Dimensions
DRE
Installation diagrams
1 Pressurereducingvalve
3 T&Pvalve
4 Stop valve
5 Non-returnvalve
6 Circulationpump
9 Drain valve
11 Isolating valve
14 Hot water outlets
15 Expansion relief valve
16 Expansion vessel
17Threewayvalve
18 Water tank
19 Float valve
A Coldwater
B Hot water
C Returncirculation
E Overflowpipe
H Expansion vent pipe
A.O. Smith unvented
system kits utilise
combination valves
Further installation and
connection details can be
found in the Installation
&CommissioningManual.
A  1465 1570 1610
B 1410 1530 1580
D  550 640 750
E 690 800 910
M 120 100 100
R 100 100 100
S 1210 1310 1380
1 Coldwater 1
1
/4-14NPT
2 Hot water 1
1
/4-14NPT
4 Tank drain valve
3
/4-14NPT
5 T&Pvalve
3
/4-14NPT
6 Anode connection Rp
3
/4
Dimensions in mm. All DRE water heaters receive a three years
warranty on the tank and one year on parts.
DRE 52
DRE 80
DRE 120
Vented
Unvented
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