Download A.O. Smith EQ / EQB Specification Sheet

EQ / EQB
Gas-fired residential / light
commercial water heater
EQ - 115/155/200/280/380
EQB - 115/155/200
Atmospheric water heater with thermal flue spillage protection
and piezo ignition • Low noise level, suitable for installation in
most locations • Ring base for easy installation and lower heat
losses • Replaceable magnesium sacrificial anode • Safety
thermostat • EQ 280/380 have access covers for waterside tank
maintenance • EQB: maximum temperature setting of 81°C
• Suitable for natural or LP gas • Optional ancillaries:
Unvented kits • Destratification pump kit • Powered anode
• Time clock kit • Flue fan kit • Solenoid valve kit
Innovation has a name.
EQ / EQB
EQB 200
EQB 155
EQB 115
EQ 380
EQ 280
EQ 200
EQ 155
EQ 115
Technical specifications
Gas data natural gas 2H (G20)
Input*
Output
Inlet pressure
Burner pressure
Gas consumption**
Diameter pilot orifice
Diameter main orifice
Max. flue gas temperature
kW
kW
mbar
mbar
m3/h
mm
mm
°C
9.3
7.4
20
12.5
0.9
2 x 0.27
2.35
255
11.3
9.0
20
12.5
1.1
2 x 0.27
2.60
200
18.3
14.0
20
10.5
1.7
2 x 0.27
3.5
160
23.1
16.0
20
11.5
2.2
2 x 0.27
3.9
255
27.4
19.2
20
10.0
2.6
2 x 0.27
4.5
290
9.3
7.4
20
12.5
0.9
2 x 0.27
2.35
255
11.3
9.0
20
12.5
1.1
2 x 0.27
2.60
200
18.3
14.0
20
10.5
1.7
2 x 0.27
3.5
160
kW
kW
mbar
mbar
kg/h
mm
mm
°C
10.1
8.2
30
-
0.7
0.22
1.40
255
12.2
9.9
30
-
0.9
0.22
1.50
200
17.6
13.7
30
-
1.3
0.22
1.95
160
21.8
15.5
30
-
1.6
2 x 0.16
2.20
255
29.6
21.2
30
-
2.2
2 x 0.16
2.50
290
10.1
8.2
30
-
0.7
0.22
1.40
255
12.2
9.9
30
-
0.9
0.22
1.60
200
17.6
13.7
30
1.3
0.22
1.95
160
kW
kW
mbar
mbar
kg/h
mm
mm
°C
9.8
7.9
37
-
0.7
0.22
1.40
255
11.8
9.6
37
-
0.8
0.22
1.50
200
17.2
13.4
37
-
1.2
0.22
1.95
160
20.9
14.8
37
-
1.5
2 x 0.16
2.20
255
26.6
19.0
37
-
1.9
2 x 0.16
2.50
290
9.3
7.6
37
-
0.7
0.22
1.40
255
11.7
9.5
37
-
0.8
0.22
1.60
200
17.6
13.7
37
1.2
0.22
1.95
160
l
°C
l
l
l
l
l/h
min.
l
l
l
l
l/h
min.
l
l
l
l
l/h
min.
109
71
169
241
314
386
144
45
149
212
276
339
127
51
135
193
251
309
116
57
144
71
216
304
392
480
175
49
190
268
345
422
154
56
173
243
313
384
140
62
181
71
296
433
569
706
273
40
260
381
501
621
241
45
237
346
455
565
219
50
265
71
394
550
707
864
313
51
347
484
622
760
275
58
315
440
565
691
250
63
355
71
508
695
883
1070
375
57
447
612
777
942
330
65
406
556
706
856
300
71
109
81
169
241
314
386
144
45
149
212
276
339
127
51
135
193
251
309
116
57
144
81
216
304
392
480
175
49
191
268
345
422
154
56
173
243
313
384
140
62
181
81
296
433
569
706
273
40
260
381
501
621
241
45
237
346
455
565
219
50
1
8
256
382
499
156
1
8
196
256
52
57
580
1250
630
75
81
570
1580
650
Gas data butane 3+ (G30)
Input*
Output
Inlet pressure
Burner pressure
Gas consumption**
Diameter pilot orifice
Diameter main orifice
Max. flue gas temperature
Gas data propane 3+ (G31)
Input*
Output
Inlet pressure
Burner pressure
Gas consumption**
Diameter pilot orifice
Diameter main orifice
Max. flue gas temperature
Draw-off capacity
Storage capacity
Max. temperature setting
30 min. ∆T=44°C
60 min. ∆T=44°C
90 min. ∆T=44°C
120 min. ∆T=44°C
Continuous ∆T=44°C
Heating-up time ∆T=44°C
30 min. ∆T=50°C
60 min. ∆T=50°C
90 min. ∆T=50°C
120 min. ∆T=50°C
Continuous ∆T=50°C
Heating-up time ∆T=50°C
30 min. ∆T=55°C
60 min. ∆T=55°C
90 min. ∆T=55°C
120 min. ∆T=55°C
Continuous ∆T=55°C
Heating-up time ∆T=55°C
General
Anodes
Maximum working pressure
Maximum weight
-
bar
kg
156
196
Shipping data
Weight empty
Weight incl. packaging
Width packaging
Height packaging
Depth packaging
* Gas data on gross value
** Gas consumption at 15°C and 1013.25 mbar
kg
kg
mm
mm
mm
47
51
530
1140
570
52
57
580
1250
630
75
81
570
1580
650
117
135
780
1640
870
144
162
780
1830
870
47
51
530
1140
570
EQ / EQB
EQ/EQB 115
EQ/EQB 155
EQ 200
EQB 200
EQ 280
EQ 380
Dimensions
A
1280
1370
1600
1670
1585
1780
B
1120
1210
1440
1540
1450
1640
D
465
515
515
515
645
675
E
545
595
595
605
735
765
G
80
80
100
100
130
130
K
325
325
325
380
375
375
M
1180
1270
1500
1590
1505
1685
N
1180
1270
1500
1590
1505
1685
R
230
230
230
255
285
285
S
945
1030
1265
1380
1280
1460
EQ / EQB
1
Cold water
2
Hot water
3
4
5
Gas control
Tank drain valve
T&P valve
3/4 - 14 NPT
(EQ 280: 1 -11.5 NPT)
(EQ 380: 1 1/4 - 11.5 NPT)
3/4 - 14 NPT
(EQ 280: 1-11.5 NPT)
(EQ 380: 1 1/4 -11.5 NPT)
Rp 1/2
3/4 - 14 NPT
3/4 - 14 NPT
Dimensions in mm. All EQ water heaters receive a five years
warranty on the tank and one year on parts. All EQB water
heaters have a one year warranty period.
EQ / EQB
Installation diagrams
EQ / EQB
1 Pressure reducing valve
3 T&P valve
4 Stop valve
5 Non-return valve
6 Circulation pump
9 Drain valve
10 Gas cock
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
B
C
D
E
H
Cold water
Hot water
Return circulation
Gas supply
Overflow pipe
Expansion vent pipe
A.O. Smith unvented system kits utilise
combination valves.
An EQ / EQB water heater should be
installed in accordance with local
standards and ventilation requirements
(category B11BS).
Further installation and connection
details can be found in the Installation
& Commissioning Manual.
Data subject to change INT/0808/EQ/02
Terms and conditions apply, please refer to our website.
For the parts numbers of components
please refer to the “Maintenance and
accessories” tab.
www.aosmithinternational.com