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Mascot LX Boilers and Water Heaters
Page 5
Table 1. Dimensional Tables, All Sizes
Table 2. Piping Type and Sizes
Dimension
Model
A
B
C
D
E
F
G
H
J
*
K
L
M
N
O
50, 75 MBH
1"
(3)
15-3/4"
(40)
3-3/4"
(9)
9-1/4"
(24)
8"
(20)
1-1/2"
(4)
5-3/4"
(14)
15-1/2"
(39)
--
--
--
30-1/2"
(78)
15-1/4"
(39)
4-5/8"
(12)
100 MBH
1"
(3)
15-1/2"
(39)
1-1/4"
(3)
12-3/4"
(33)
11"
(28)
1-1/4"
(3)
9-1/2"
(24)
14-3/4"
(37)
--
--
--
30-1/2"
(78)
18"
(46)
4-5/8"
(12)
125 MBH
1"
(3)
15-1/2"
(39)
1-1/4"
(3)
12-3/4"
(33)
11"
(28)
1-1/4"
(3)
9-1/2"
(24)
14-3/4"
(37)
2-3/4"
(7)
12-3/4"
(33)
2"
(5)
30-1/2"
(78)
18"
(46)
4-5/8"
(12)
150, 175 MBH
1-1/2"
(4)
15-1/4"
(39)
1-3/4"
(4)
13"
(33)
11-1/4"
(28)
2-3/4"
(7)
5-1/4"
(14)
2"
(5)
2-3/4"
(7)
12-3/4"
(33)
1-3/4"
(5)
35-1/2"
(90)
18"
(46)
8-7/8"
(23)
220 MBH
1-1/2"
(4)
15-1/4"
(39)
1-3/4"
(4)
13"
(33)
11-1/4"
(28)
2-3/4"
(7)
5-1/4" (14)
2" (5)
--
--
--
38-1/2"
(90)
18"
(46)
8-7/8"
(23)
Dimension
Model
A
B
C
D
E
F
G
H
J
*
K
L
M
N
O
50, 75 MBH
1"
(3)
15-3/4"
(40)
3-3/4"
(9)
9-1/4"
(24)
8"
(20)
1-1/2"
(4)
5-3/4"
(14)
15-1/2"
(39)
--
--
--
30-1/2"
(78)
15-1/4"
(39)
4-5/8"
(12)
100 MBH
1"
(3)
15-1/2"
(39)
1-1/4"
(3)
12-3/4"
(33)
11"
(28)
1-1/4"
(3)
9-1/2"
(24)
14-3/4"
(37)
--
--
--
30-1/2"
(78)
18"
(46)
4-5/8"
(12)
125 MBH
1"
(3)
15-1/2"
(39)
1-1/4"
(3)
12-3/4"
(33)
11"
(28)
1-1/4"
(3)
9-1/2"
(24)
14-3/4"
(37)
2-3/4"
(7)
12-3/4"
(33)
2"
(5)
30-1/2"
(78)
18"
(46)
4-5/8"
(12)
150, 175 MBH
1-1/2"
(4)
15-1/4"
(39)
1-3/4"
(4)
13"
(33)
11-1/4"
(28)
2-3/4"
(7)
5-1/4"
(14)
2"
(5)
2-3/4"
(7)
12-3/4"
(33)
1-3/4"
(5)
35-1/2"
(90)
18"
(46)
8-7/8"
(23)
220 MBH
1-1/2"
(4)
15-1/4"
(39)
1-3/4"
(4)
13"
(33)
11-1/4"
(28)
2-3/4"
(7)
5-1/4" (14)
2" (5)
--
--
--
38-1/2"
(90)
18"
(46)
8-7/8"
(23)
Dimension
Model
A
B
C
D
E
F
G
H
J
*
K
L
M
N
O
50, 75 MBH
1"
(3)
15-3/4"
(40)
3-3/4"
(9)
9-1/4"
(24)
8"
(20)
1-1/2"
(4)
5-3/4"
(14)
15-1/2"
(39)
--
--
--
30-1/2"
(78)
15-1/4"
(39)
4-5/8"
(12)
100 MBH
1"
(3)
15-1/2"
(39)
1-1/4"
(3)
12-3/4"
(33)
11"
(28)
1-1/4"
(3)
9-1/2"
(24)
14-3/4"
(37)
--
--
--
30-1/2"
(78)
18"
(46)
4-5/8"
(12)
125 MBH
1"
(3)
15-1/2"
(39)
1-1/4"
(3)
12-3/4"
(33)
11"
(28)
1-1/4"
(3)
9-1/2"
(24)
14-3/4"
(37)
2-3/4"
(7)
12-3/4"
(33)
2"
(5)
30-1/2"
(78)
18"
(46)
4-5/8"
(12)
150, 175 MBH
1-1/2"
(4)
15-1/4"
(39)
1-3/4"
(4)
13"
(33)
11-1/4"
(28)
2-3/4"
(7)
5-1/4"
(14)
2"
(5)
2-3/4"
(7)
12-3/4"
(33)
1-3/4"
(5)
35-1/2"
(90)
18"
(46)
8-7/8"
(23)
220 MBH
1-1/2"
(4)
15-1/4"
(39)
1-3/4"
(4)
13"
(33)
11-1/4"
(28)
2-3/4"
(7)
5-1/4" (14)
2" (5)
--
--
--
38-1/2"
(90)
18"
(46)
8-7/8"
(23)
*
-
J
dimension applies for both the DHW OUTLET and DHW INLET
inches
(cm's)
inches
(cm's)
APPLIANCE
SUGGESTED SERVICE ACCESS CLEARANCE
SURFACE
INCHES
CM
Left Side
6
15
Right Side
6
15
Top
12
30
Closet, Front
6
15
Front
24
61
Bottom
24
61
Vent
1
3
Certifi ed by CSA for zero clearance to
combustible materials on all sides.
Clearances
Sizing Data
Sizing Data,
Piping
Input
Output
DHW AFUE Gas
Water
DHW Shipping
Model
Output @
Conn. Size Conn. Size Conn. Size
Weight
BTU/h
kW
BTU/h
kW
75°F Rise
inches
inches
inches
lbs
kg
MLX 50
50,000
14.6
47,500
13.2
-
95% 1/2” NPT 3/4” NPT
-
88
40
MLX 75
75,000
21.9
71,250
20.8
-
95% 1/2” NPT 3/4” NPT
-
97
44
MLX 100
100,000
29.3
95,000
27.8
-
95% 1/2” NPT 3/4” NPT
-
112
51
MLX 125
125,000
36.6
118,750
34.8
3.1 gpm 95% 1/2” NPT 3/4” NPT 1/2” NPT
126
57
MLX 150
150,000
43.9
142,500
41.8
3.7 gpm 95% 1/2” NPT
1“ NPT 1/2” NPT
140
64
MLX 175
175,000
51.6
166,250
48.7
4.3 gpm 95% 1/2” NPT
1“ NPT 1/2” NPT
153
69
MLX 220
220,000
64.4
209,000
61.2
-
95% 1/2” NPT
1“ NPT
-
161
73
NOTES:
1.
For other boiler ratings:
Boiler Horsepower: HP = Output Radiation Surface: EDR sq. ft. = Output
33,475
150
50 thru 125
150 - 220
Cond. Hydronic DHW 2nd
Gas Hydronic DHW 2nd
Outlet Return Inlet Return Supply Supply Outlet Supply
3/4" 3/4" 1/2" 3/4" 1/2" 3/4" 1/2" 3/4"
PVC copper NPT copper NPT NPT NPT copper
3/4" 1" 1/2" 3/4" 1/2" 1" 1/2" 3/4"
PVC NPT NPT copper NPT NPT NPT copper
Shipping
Weight
lbs
kg
-
-
-
-
-
-
133
60
148
67
163
74
-
-
Combi
Boiler