Brochure

Customer Service and Product Support: 800.900.9276 Fax 800.559.1583
Headquarters: 20 Industrial Way, Rochester, NH 03867 603.335.6300 Fax 603.335.3355
9 Brigden Gate, Halton Hills, Ontario, Canada, L7G 0A3 905.203.0600 Fax 905.636.0666
www.LAARS.com
Litho in U.S.A. © Laars
®
Heating Systems Co. 21-01 Document 1481
LAARS MINITHERM
®
JX SPECIFICATIONS
ACCESSORIES
PN: CA019600 See IOM for part number See IOM for part number PN: CA019400
PN: CA019501 (50-100)
CA019502 (125 - 200)
PN: CA005400
Low Loss Header with
Integral Pump (50-100)
Propane Conversion Kit High Altitude Conversion
Kit
DHW Pump Relay Kit Power Vent Kit* Outdoor Air Sensor
A
S
M
E
H
Sizing Data
Size
Input Heating Capacity Nat Gas AFUE % Water Conn. Gas Conn.
MBTU/h kW MBTU/h kW % in. in.
50 50 14.7 42 12.6 84 1-1/4 3/4
75 75 22.0 63 18.8 84 1-1/4 3/4
100 100 29.3 84 24.9 84 1-1/4 3/4
125 125 36.6 105 31.1 84 1-1/4 3/4
15 0 150 44.0 126 37. 2 84 1-1/4 3/4
200 199 58.3 168 49.2 84 1-1/4 3/4
Dimensional Data
Water
Conn.
Gas
Conn.
Size A B C D E F1 F2 V (inches) (inches)
in. cm in. cm in. cm in. cm in. cm in. cm in. cm in. 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 - - 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 24 - 7/8 63 - - 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
15 0 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
1-
OUT (Sup
1/4” NPT Female
IN (Retur
ply)
1-1/4” N
PT Female
53cm
9-1/8" Max
23cm
F1
n)
11.8cm
4-5/8"
21"
E
Right
(125, 150, 200)
View
OUT (
IN (Return)
Supply)
1-1/4” NPT Male
1-1/4” NPT Male
F2
7"
18cm
I
n Return
Right View
(50, 75, 100)
Top View
Control Display
T&P Gauge
PRV
Low Loss Header & Damper not shown
Out Supply
C
Front View
Draft Diverter
6”
Damper
3-1/4” 8.3cm
Gas
ader
Supply
He
Low Loss
A
D
B
V
* Includes: Power venter, through wall vent terminal, and necessary reducers.