L8124A,B,C,E,G,L,M AQUASTAT® RELAYS
3
60-2061—10
Table 1. Aquastat Relay models.
a
Multizone control can be provided by using a separate circulator and R845 Relay for each zone.
b
Contacts are not powered; they are rated for switching of millivoltage loads.
Replacement Aquastat Assemblies:
See Table 2 and Fig. 3 through 7.
Table 2. Replacement Aquastat assemblies.
Model
Number
Burner
Control
Circuit
Case Dimensions
Can be
Used For
Multizone
With
Circulators
a
No. of V8043
Zone Valves
Powered
Without
Additional
Transformer
Electrical
Ratings
Height
Width
Depth
in.
mm
in.
mm
in.
mm
Burner
Circuit
Circulat
or
Circuit
Mounting
L8124A 120V
6-1/8 156
4-3/8 111
3-1/16 78
Yes
—
Same as
L8124A-G,L
circulator
rating
120 Vac:
7.4A (full
load);
44.4A
(locked
rotor)
Vertical
L8124B
b
6-1/8 156
4-3/8 111
3-1/16 78
—
—
0.25A at 1/4
to 12 Vdc
Vertical or
horizontal
L8124C 120V
4-3/8 111
6-1/8 156
3-1/16 78
Yes
—
Same as
L8124A-G,L
circulator
rating
240
Vac:3.7A
(full
load);
22.2A
(locked
rotor)
Horizontal
L8124E 24V
6-1/8 156
4-3/8 111
3-1/16 78
Yes
2
1.25A at 24
Vac; 30 VA
(total load)
B1-B2 TV-Z
Vertical or
horizontal
L8124G 120V
6-1/8 156
4-3/8 111
3-1/16 78
—
2
Same as
L8124A-G,L
circulator
rating
L8124L
120V
4-3/8 111
6-1/8 156
3-1/16 78
Yes
2
Same as
L8124A-6,L
circulator
rating
L8124M 120V
4-3/8 111
6-1/8 156
3-1/16 78
Yes
—
Same as
L8124A
Horizontal
Model
Fahrenheit
Celsius (L8124A,
100/220V Model Only)
1-1/2 in. or 3 in. (38
or 76 mm) insulation
1-1/2 in. or 3 in. (38
or 76 mm) insulation
L8124A-C,
E,G,L,M
125026AAE
125026BAC