Compare Models

Model name Modena HE Combi Modena HE System
Picture  modena-combi  modena-system
Features (kW) Units 27, 32, 38 Units 18, 25, 32
User Interface
Digital Interface Yes Yes
User interface Digital controls Digital & manual controls
Mechanical timer No Yes
Digital timer Yes Yes
Casing White silk White silk
Programmable Room Thermostat Digital Digital/ mechanical
Microprocessor control and adjustment system with self-diagnosis Yes Yes
Gas
Fuel NG, LPG NG, LPG
SAP 2009/2012 annual efficiency (PCDB/SEDBUK) “A” class 89% 89%
NOx class- best in class 5 5
Installation
Compact size Yes Yes
No plate to plate heat exchanger or diverter valve Yes Yes
Number of moving operating parts 4 3
Bi-thermal heat exchanger Yes Yes
Electrical
Electrical supply 230/50Volts/Hz 230/50Volts/Hz
Mechanical
Robust stainless steel burner Yes Yes
Filling loop Yes Yes
ErP
Hot Water Min/Max Temp 60/80 N/A
Heating Min/Max Temp 25/35 30/50
ErP Rating A A
Weight
Netto weight 29-33 28-30
Gross weight 31-33 30-32
Model name i25 Combi i29 Combi
Picture  i25  i29
Features (kW) Unit 25 Unit 29
User Interface
Digital Interface Yes Yes
User interface Digital & manual controls Digital & manual controls
Mechanical timer Optional Optional
Digital timer Optional Optional
Casing White silk White silk
Programmable Room Thermostat Optional Optional
Microprocessor control and adjustment system with self-diagnosis Yes Yes
Gas
Fuel NG, LPG NG, LPG
SAP 2009/2012 annual efficiency (PCDB/SEDBUK) “B” class 76% 74%
NOx class 3 3
Installation
Compact size Yes Yes
No plate to plate heat exchanger or diverter valve No No
Number of moving operating parts 6 6
Bi-thermal heat exchanger No No
Electrical
Electrical supply 230/50Volts/Hz 230/50Volts/Hz
Mechanical
Robust stainless steel burner No No
Filling loop Yes Yes
ErP
Hot Water Min/Max temp 60/80 60/80
Heating Min/Max temp 30/50 30/50
ErP Rating A A
Weight
Netto weight 30 30
Gross weight 32 32
Model name Econcept 51A Energy Top W 60, 80, 125
Picture  econcept  energytop
Features (kW) Units 11-53 Units 17-123
User Interface
Digital Interface Yes Yes
User interface Digital & manual controls Digital & manual controls
Mechanical timer N/A No
Digital timer Optional Optional
Casing White silk White silk
Programmable Room Thermostat Yes No
Microprocessor control and adjustment system with self-diagnosis N/A No
Gas
Fuel NG NG
SAP 2009/2012 annual efficiency (PCDB/SEDBUK) “A” class 89% 89%
NOx class 5 4
Installation
Compact size Yes No
No plate to plate heat exchanger or diverter valve No No
Number of moving operating parts 8 9
Ceramic reverse micro flame burner Yes No
Electrical
Electrical supply 230/50Volts/Hz 230/50Volts/Hz
Mechanical
Robust stainless steel burner No No
Filling loop Yes Yes
ErP
Hot Water Min/Max temp 60/80 60/80
Heating Min/Max temp 30/50 30/50
ErP Rating A A
Weight
Netto weight 46 52-64
Gross weight 48 54-66