Product Overview
Maxitrol Company
23555 Telegraph Rd., P.O. Box 2230
Southeld, MI 48037-2230 U.S.A.
www.maxitrol.com
© 2012 Maxitrol Company,
All Rights Reserved.
4
SEL92_MS_EN_07.2012
Series 92 Electronic Gas Modulation System
DIMENSIONS
Valve Dimensions
Model
Number
Swing
Radius
Dimensions
A B C D
M420
3.1”
(79 mm)
3.9”
(100 mm)
2.0”
(51 mm)
2.1”
(54 mm)
0.9”
(24 mm)
M520
4.3”
(109 mm)
5.3”
(135 mm)
3.25”
(83 mm)
3.4”
(86 mm)
1.2”
(30 mm)
M620
5.7”
(146 mm)
7.1”
(180 mm)
3.9”
(99 mm)
4.0”
(102 mm)
1.5”
(37 mm)
NOTE: Dimensions are to be used only as an aid in designing clearance for
the valves. Actual production dimensions may vary somewhat from
those shown.
4.68
(165.7)
T Y P.
2.96
(105)
T Y P.
2.56
(90.6)
T Y P.
1.69
(59.8)
T Y P.
1.41
(49.9)
T Y P.
3.46 (122.5)
3.25 (115.1)
6050 8070 90
R
50
60
40
80
70
°F
90
2.25
7.50
3.38
(85.9)
CENT.
1.89 TYP.
(48.0)
(57.2)
(190.5)
3.00
(76.2)
9.50
(241)
5.55
(141)
CENT.
2.71
(68.9)
1.25
(31.8)
T Y P.
2.75
(69.9)
CENT.
8.00
(203.2)
T Y P.
2.75
(69.9)
T Y P.
1.75 TYP.
(44.5)
.75
(19.1)
T Y P.
10 12118 97
R
A1092
1
2
3
54 6
A1192
R
Figure 11: A1092
Figure 9: TD92-0509
Figure 12: M420, M520, AND 620 Modulating Valves
Figure 10: Optional T115 Room Override Thermostat
in. (mm)
in. (mm)
in. (mm)
© 2012 Maxitrol © 2012 Maxitrol
© 2012 Maxitrol
4.00 SQ.
(102)
4.68
(119)
TYP.
2.96
(75)
TYP.
1.69
(43)
TYP.
1.41
(36)
TYP.
3.46 (88)
3.25 (83)
2.56
(65)
TYP.
9.50
(241)
1.89
TYP.
(48)
2.25
(57)
3.00
(76)
7.50
(191)
5.55
(141)
CENT.
2.75
(70)
CENT.
1.75
TYP.
(45)
2.75
(70)
TYP.
8.00
(203)
TYP.
.75
(20)
TYP.
1.25
(32)
TYP.
2.71
(69)
3.38
(86)
CENT.
A
D
C
B
© 2012 Maxitrol