Spec Sheet

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Printed in U.S.A.C203-G-0222 CANADA
Lowboy Models
Model
Number
Capacity
A
Floor to
Heater
Top
in.
Approx.
Shipping
Weight
lbs.
D
Floor to
T&P
Conn.
in.
B
Jacket
Dia.
in.
Gal.
U.S.
GPH
Imp.
Recovery
90°F Rise*
Gal.
Imp.
GPH
U.S.
Model
Number
Capacity
Liters
A
Floor to
Heater
Top
mm.
Approx.
Shipping
Weight
kg.
D
Floor to
T&P
Conn.
mm.
B
Jacket
Dia.
mm.
Recovery
50°C Rise*
C
Floor to
Water
Conn.
in.
C
Floor to
Water
Conn.
mm.
M-1-20L6DS
M-2-30L6DS
M-2-40L6DS
M-2-50L6DS
M-1-20L6DS
M-2-30L6DS
M-2-40L6DS
M-2-50L6DS
24
3
/4
30
33
1
/4
33
1
/4
629
762
845
845
Standby
Loss
(Watts)
Standby
Loss
(Watts)
Liters/
Hour
48
56
63
68
48
56
63
68
First
Hour
Rating
(Gal.)
First
Hour
Rating
(Liters)
N/A
47
58
67
N/A
178
220
254
26
31
34
1
/8
34
1
/8
660
787
867
867
19
1
/4 / 24
7
/8
24
1
/8 / 31
1
/4
24
1
/8 / 34
1
/8
24
1
/8 / 34
1
/8
489 / 632
613 / 794
613 / 972
613 / 972
18
22
24
26
457
559
610
660
58
96
121
143
26
44
55
65
19
30
40
47
16
25
33
39
21
21
21
21
18
18
18
18
72
114
151
178
76
76
76
76
Residential Lowboy Electric Water Heater
B
A
8"
•D
C
Recovery
GPH Temperature Rise °F
Wattage
1500W
2000W
2500W
3000W
3500W
4000W
4500W
5000W
5500W
6000W
60
10
14
17
21
24
28
31
34
38
41
80
8
10
13
15
18
21
23
26
29
31
90
7
9
11
14
16
18
21
23
25
28
100
6
8
10
12
14
16
19
21
23
25
120
5
7
9
10
12
14
15
17
19
21
Recovery
LPH Temperature Rise °C
Wattage
1500W
2000W
2500W
3000W
3500W
4000W
4500W
5000W
5500W
6000W
34
38
53
64
79
91
106
117
129
144
155
45
30
38
49
57
68
79
87
98
110
117
50
26
34
42
53
61
68
79
87
95
106
56
23
30
38
45
53
61
72
79
87
95
67
19
26
34
38
45
53
57
64
72
79
s (GPH/LPH based on Non-Simultaneous operation, when
Simultaneous operation the GPH/LPH will approximately double.)
• “D” dimension listed as side/top.
Voltage
Wattage
Limitations for
Simultaneous
Operation
1500W / 1500W
2000W / 2000W
2500W / 2500W
3000W / 3000W
3500W / 3500W
4000W / 4000W
4500W / 4500W
5000W / 5000W
5500W / 5500W
6000W / 6000W
yes
no
no
no
no
no
no
no
no
no
120V
yes
yes
yes
yes
yes
yes
yes
yes
no
no
208V
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
240V
yes
yes
yes
yes
no
yes
yes
yes
no
yes
277V
yes
yes
yes
yes
no
yes
yes
yes
no
yes
480V
Voltage
Wattage
Limitations for
Non-Simultaneous
Operation
1500W / 1500W
2000W / 2000W
2500W / 2500W
3000W / 3000W
3500W / 3500W
4000W / 4000W
4500W / 4500W
5000W / 5000W
5500W / 5500W
6000W / 6000W
yes
yes
yes
yes
no
no
no
no
no
no
120V
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
208V
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
240V
yes
yes
yes
yes
no
yes
yes
yes
no
yes
277V
yes
yes
yes
yes
no
yes
yes
yes
no
yes
480V
General
All models UL
®
listed. These heaters are wired inter-locking (Non-Simultaneous, Single Phase) 240V with two 4500W elements, unless otherwise specified.
All water and electrical connections are 3/4" NPT (19mm). All models certified at 300 PSI test pressure (2068 kPa) and 150 PSI working pressure (1034 kPa.)
Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.
If bottom cold water inlet kit is required, order part # 265-52904-00.
For 10 year models, change suffix “6” to “10”.
For single element models change suffix “D” to “S”.
* Based on 4500W/4500W, Non-Simultaneous operation.
All models feature optional top T&P location and must be specified when ordering.