Product Sheet

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OptiFlow Professional flue install instructions
Bosch OptiFlow
Professional Internal
Technical Features Units 12L 16L 20L
Performance
Maximum gas consumption MJ 90.0 120.2 149.0
Minimum gas consumption MJ 11.9 18.0 18.0
Efficiency at 100% of nominal load % 82.4 82.4 82.4
Data relating to gas – Gas operating pressure
Natural gas kPa 1.13 1.13 1.13
LP gas kPa 2.75 2.75 2.75
Data relating to the water
Maximum admissible pressure kPa 1000 1000 1000
Minimum operating pressure kPa 100 100 100
Start up flow @ 15°C inlet water
temperature
l/min 2.0 2.0 2.0
Maximum flow, corresponding to
a temperature increase of 25
O
C
l/min 12.0 16.0 20.0
Maximum inlet temperature °C 80 80 80
Temperature locked model available
(adjustable to deliver 50°C at tap)
Yes Yes Yes
Electrical circuit
Power supply voltage VAC 230 230 230
Maximum power consumption W 100 100 100
Warranty Details (Domestic)
Parts and Labour Years 3 3 3
Heat Exchanger only Years 12 12 12
OptiFlow Professional Internal models Bosch Part Number
55°C set 12L/minute NG model 7736502487
55°C set 12L/minute LPG model 7736502488
50°C locked 12L/minute NG model 7736502489
50°C locked 12L/minute LPG model 7736502490
55°C set 16L/minute NG model 7736502495
55°C set 16L/minute LPG model 7736502496
50°C locked 16L/minute NG model 7736502497
50°C locked 16L/minute LPG model 7736502498
55°C set 20L/minute NG model 7736502499
55°C set 20L/minute LPG model 7736502500
50°C locked 20L/minute NG model 7736502501
50°C locked 20L/minute LPG model 7736502502
O100
O60
>10 >10
80
240
583
B
A C
Measurements (mm) A B C
12L model 300 570 170
16L model 364 570 175
20L model 364 570 175
Connections
Water Gas
Cold Hot NG LPG
15mm (1/2”) 15mm (1/2”) 15mm (1/2”) 15mm (1/2”)
3 Room sealed appliance
3 Inbuilt controller
3 6 star efficiency