Bosch W125K... User Manual
2
Maximum hydrostatic water pressure - 0.97 MPa (150 p.s.i.)
Maximum recommended working pressure - 0.69 MPa (100 p.s.i.)
Minimum working pressure - 0.01 1 MPa (2 p.s.i.) at 1.6 Litres/min. (0.5 U.S. Gal/min.) free discharge
Minimum recommended inlet water pressure for use with showers 40 p.s.i.g.
Maximum recommended working pressure - 0.69 MPa (100 p.s.i.)
Minimum working pressure - 0.01 1 MPa (2 p.s.i.) at 1.6 Litres/min. (0.5 U.S. Gal/min.) free discharge
Minimum recommended inlet water pressure for use with showers 40 p.s.i.g.
Dimensions in millimetres (inches)
* The high altitude ratings listed are Canadian Gas Association high altitude ratings and are only valid in Canada.
In the U.S., the National Fuel Gas Code, ANSI Z223.1/NFPA 54 recommends for high altitude installations above
2,000 feet, that the input rate be reduced 4% for each 1,000 feet above sea level.
In the U.S., the National Fuel Gas Code, ANSI Z223.1/NFPA 54 recommends for high altitude installations above
2,000 feet, that the input rate be reduced 4% for each 1,000 feet above sea level.
DIMENSIONS
Figure 1
Standard
High
Standard
High
5,7
4,6
10,5
8,4
3,35
2,7
10,2
8,1
LPG
Altitude
Tap pressure inch
Manifold burner pressure inch
Altitude
Tap pressure inch
Manifold burner pressure inch
NG
Size, mm
Qt.
natural
standart
11.7 kW
1.25 diam.
6
propane
(0-2,000 ft.)
(40,000 Btu/hr)
0.76 diam.
6
natural
high *
10.5 kW
1.25 diam.
6
propane
(2,000-4,500 ft.)
(36,000 Btu/hr)
0.76 diam.
6
Main Burner Orifices
W 125 K…
W 125 K…
Model
Type of Gas
Altitude
Input
A
B
C
D
E
F
G
H
I
J
270
610
230
190
70
562
350
312
102
138
(10 5/8)
(25 3/8)
(9 1/8)
(7 1/2)
(2 3/4)
(22 1/8)
(13 3/4)
(12 1/4)
(4)
(5 3/8)