Models
Bosch 10H Bosch 13H Bosch 16H
Part number TF250-8G TF325-8G TF400-8G
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 79 104 130
Star rating 5.1 4.6 5.0
Installation External External External
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. inlet 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 Sizes
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) 845 845 936
Width (mm) 405 405 460
Depth (mm) 265 265 265
Carton weight (kg) 21 22 25
Warranty
Parts and labour 2 years
Heat exchanger 10 years (part only)
Accessories
Heat shield 9 708 061 400.ZG1
Exogel valve (Antifrost)* H707 060 151*
Product diagram
External HydroPower range
Dimensions
10H (mm) 13H (mm) 16H (mm)
A 405 405 460
B 845 845 936
C 533 533 533
D 240 240 240
E 68 68 82
1.2.2 HydroPower gas hot water systems
* An exogel valve is
recommended for areas that
drop to 0°C for short periods.
In areas prone to extended
periods of frost and sub-zero
temperatures, only Internal
HydroPower models, external
Highflow models and 32 Series
models are suitable.
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