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Technical Data
Indirect models in conformance with BS EN 12897:2016
Maximum mains water supply pressure
Operating pressure/PRV
Expansion vessel pressure
Expansion relief valve setting
Maximum design pressure
T&P relief valve setting
Primary coil operating pressure (max)
Immersion heater rating (a.c. supply only) single phase
Storage weights (empty and full)
Indirect coil ratings
Pressure drop across the indirect coils
Coil surface area
2.5MPa (25 bar)
0.3MPa (3 bar)
1.0MPa (10 bar max)
0.6MPa (6 bar)
0.4MPa (4 bar)
0.7MPa/90 °C (7 bar)
0.6MPa (6 bar)
3kW 50/60Hz ~
See Specification Tables
See Specification Tables
See Specification Tables
See Specification Tables
Boss Direct / Indirect Installation Guide
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