Models
Bosch 10H Bosch 13H Bosch 16H
Part number WR250-8G WR325-8G WR400-8G
Ignition type HydroPower HydroPower HydroPower
Flow rate L/min (25°C rise) 10 13 16
Flow rate L/min (50°C rise) 5 6.5 8
Mj/h 79 104 127
Star rating 4.5 4.8 4.6
Installation Internal* Internal* Internal*
Air supply/ exhaust Natural draft Natural draft Natural draft
Gas Type NG/LPG NG/LPG NG/LPG
Gas supply pressure (kPa)
NG: 1.13 – 3.0 NG: 1.13 – 3.0 NG: 1.13 – 3.0
LPG: 2.75 LPG: 2.75 LPG: 2.75
Min. water pressure for Max.
flow (kPa)
60 100 130
Max. allowable inlet water
pressure (kPa)
800 800 800
Min. flow rate (L/min) 3.5 3.5 3.5
Pipe Connection Size
Gas NG (mm) 20 (3/4”) 20 (3/4”) 20 (3/4”)
Gas LP (mm) 15 (1/2”) 15 (1/2”) 15 (1/2”)
Cold water inlet (mm) 15 (1/2”) 15 (1/2”) 15 (1/2”)
Hot water outlet (mm) 15 (1/2”) 15 (1/2”) 15 (1/2”)
Unit Dimensions
Height (mm) 680 755 755
Width (mm) 360 400 460
Depth (mm) 220 220 220
Carton weight (kg) 12.5 16 20
Warranty
Parts and labour 2 years
Heat exchanger 10 years (part only)
Product diagram
Dimensions
10H (mm) 13H (mm) 16H (mm)
A 360 400 460
B 680 755 755
C 228 228 334
D 115 140 140
E 462 500 530
F 162 196 166
G 25 30 30
H
LPG R1/2” R1/2” R1/2”
NG R3/4” R3/4” R3/4”
Flue Kits**
Flue kits to suit Internal HydroPower
appliances:
100mm to suit internal 10H
125mm to suit internal 13H & 16H
** Not supplied by Bosch. Flueing available
from plumbing supply stores
* Internal installations require
flueing as per AS 5601
respectively NZ 5621.