Install Instructions
Table Of Contents
- Cover
- TABLE OF CONTENTS
- SECTION 1 GENERAL INFORMATION
- SECTION 2 LOCATING THE BOILER
- SECTION 3 AIR AND VENTING
- SECTION 4 GAS CONNECTIONS
- SECTION 5 PUMP REQUIREMENTS
- SECTION 6 WATERCONNECTIONS
- SECTION 7 ELECTRICAL AND WIRING DIAGRAMS
- SECTION 8 THE DIGITAL DASHBOARD
- SECTION 9 INITIAL STARTUP
- SECTION 10 MAINTENANCE
- SECTION 11 OPERATING DETAILS AND TROUBLESHOOTING
- SECTION 12 REPLACEMENT PARTS
Page 9
Table 1. Dimensions
1.F Dimensions
Dimensional
Data
1-1/4” NPT Female
OUT (Supply)
IN (Return)
1-1/4” NPT Female
53cm
23cm
F2
11.8cm
4-5/8"
21"
9-1/8" Max
E
Right View
(125, 150, 200)
OUT (Supply)
IN (Return)
1-1/4” NPT Male
1-1/4” NPT Male
F1
7"
18cm
Right View
(50, 75, 100)
In Return
Top View
Low Loss Header & Damper not shown
T&P Gauge
Control Display
PRV
Out Supply
C
WATER
CONN
GAS
CONN
SIZE
A B C D E
F1 F2
in. cm in, cm in. cm in, cm in. cm in. cm in. cm in.
(inches)
(inches)
cm 1-1/4
3/4
50 11-3/4 30 31-5/8 80 25-1/8 64 24-3/4 63 27-5/8 70 24-7/8 63
- -
4 10 1-1/4
3/4
75 14-1/2 37 31-5/8 80 25-5/8 65 24-3/4 63 28-5/8 73 24-7/8 63
24-7/8 63
- -
- -
5 13 1-1/4
3/4
100 17-3/8 45 32-1/8 82 25-1/2 65 25-3/8 65 28-5/8 73 5 13 1-1/4
3/4
125 20-1/8 52 32-1/8 82 25 64 25-3/8 65 28-5/8 73 -
-
31 79 6 15 1-1/4
3/4
150 23 59 32-1/8 82 25 64 25-3/8 65 28-5/8 73 -
-
31 79 6 15 1-1/4
3/4
200 28-3/8 73 32-1/4 82 24-5/8 63 26-1/4 67 28-5/8 73 -
-
31 79 7 18 1-1/4
3/4
Front View
Draft Diverter
Damper
6”
3-1/4” 8.3cm
Low Loss
Gas
Supply
Header
A
D
B
V
V
1-1/4” NPT Female
OUT (Supply)
IN (Return)
1-1/4” NPT Female
53cm
23cm
F2
11.8cm
4-5/8"
21"
9-1/8" Max
E
Right View
(125, 150, 200)
OUT (Supply)
IN (Return)
1-1/4” NPT Male
1-1/4” NPT Male
F1
7"
18cm
Right View
(50, 75, 100)
In Return
Top View
Low Loss Header & Damper not shown
T&P Gauge
Control Display
PRV
Out Supply
C
WATER
CONN
GAS
CONN
SIZE
A B C D E
F1 F2
in. cm in, cm in. cm in, cm in. cm in. cm in. cm in.
(inches)
(inches)
cm 1-1/4
3/4
50 11-3/4 30 31-5/8 80 25-1/8 64 24-3/4 63 27-5/8 70 24-7/8 63
- -
4 10 1-1/4
3/4
75 14-1/2 37 31-5/8 80 25-5/8 65 24-3/4 63 28-5/8 73 24-7/8 63
24-7/8 63
- -
- -
5 13 1-1/4
3/4
100 17-3/8 45 32-1/8 82 25-1/2 65 25-3/8 65 28-5/8 73 5 13 1-1/4
3/4
125 20-1/8 52 32-1/8 82 25 64 25-3/8 65 28-5/8 73 -
-
31 79 6 15 1-1/4
3/4
150 23 59 32-1/8 82 25 64 25-3/8 65 28-5/8 73 -
-
31 79 6 15 1-1/4
3/4
200 28-3/8 73 32-1/4 82 24-5/8 63 26-1/4 67 28-5/8 73 -
-
31 79 7 18 1-1/4
3/4
Front View
Draft Diverter
Damper
6”3-1/4” 8.3cm
Low Loss
Gas
Supply
Header
A
D
B
V
V
MINI-THERM JX Residential Boilers
®