Specifications

ECO ELITE SPECIFICATIONS
Model Units
Main Combi
25 Eco Elite
Main Combi
30 Eco Elite
Main System
24 Eco Elite
Main System
28 Eco Elite
Boiler only code 7210777 7210778 7210827 7210828
Boiler (including 24 hr mechanical clock & rigid filling loop)
& standard flue code
7210779 7210780 N/A N/A
Controls
User adjustable CH (combi only) & DHW temperature Yes Yes Yes Yes
Covered controls Yes Yes Yes Yes
Fault status display Yes Yes Yes Yes
Integral 24 hr electro-mechanical timer Standard Standard N/A N/A
Integral 7 day electronic timer Optional Optional N/A N/A
Wireless programmable room thermostat Optional Optional N/A N/A
Gas
Natural gas Yes Yes Yes Yes
Inlet supply pressure (natural gas) mbar 20 20 20 20
Gas rate m
3
/hr 2.76 3.17 2.76 3.1
Heat input (maximum) kW 28.92 32.54 28.92 32.54
Heat output – condensing (maximum) kW 26.95 30.2 26.95 30.2
Heat output – condensing (minimum) kW 8.37 9.42 8.37 9.42
Heat output – non-condensing (maximum) kW 25.94 28.63 25.94 28.63
Heat output – non-condensing (minimum) kW 7.61 8.56 7.61 8.56
Domestic hot water flow rate (maximum) @ 35°c rise litres/min 10.2 12.3 N/A N/A
Domestic hot water flow rate (minimum) litres/min 2 2 N/A N/A
SEDBUK (2005) 91.0% A-90.1% A-91.1% A-90.2%
SEDBUK (2009) 89.0% 88.7% 89.0% 88.7%
NO
x
Class 5 5 5
5
Electrical
Electrical supply Volts/Hz 230/50 230/50 230/50 230/50
Power consumption Watts 150 150 150 150
External fuse rating Amps 3 3 3 3
Ingress protection rating (as supplied) IPX4D IPX4D IPX4D IPX4D
Pump overrun Yes Yes Yes Yes
24hr pump exercise Yes Yes Yes Yes
Integral frost thermostat (boiler protection only) Yes Yes Yes Yes
Weight
Installation lift weight kg 47.5 47.5 44.5 44.5
Mechanical & hydraulic
DHW system pressure (maximum) bar 8 8 N/A N/A
DHW operating pressure (minimum) bar 0.15 0.15 N/A N/A
Safety pressure discharge bar 3 3 3 3
Integral automatic bypass Yes Yes Yes Yes
CH system capacity (maximum) litres 125 155 125 155
Gas supply pipe size mm 22 22 22 22
Flow & return pipe size (CH) mm 22 22 22 22
Flow & return pipe size (DHW) mm 15 15 N/A N/A
Filling loop Standard Standard Optional Optional
Compartment ventilation required No No No No
Pre-plumbing jig Standard Standard Standard Standard
Flue systems
Standard concentric flue diameter mm 60/100 60/100 60/100 60/100
Maximum equivalent length (60/100) m 10 10 10 10
Stand off bracket
Combi and system boilers 5117035 Optional Optional Optional Optional
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