22m 22m
25
SYSTEM 15 SYSTEM 18 SYSTEM 24 SYSTEM 30
Weight (packaged) kg 34.1 34.1 34.1 34.1
Max installation weight kg 27.7 27.7 27.7 27.7
CH output (kW) min/max
@ 70°C
4.8 - 15.0 4.8 - 18.0 4.8 - 24.2 6.1 - 30.3
CH output (kW) min/max
@ 40°C
5.1 - 15.9 5.1 - 19.1 5.1 - 25.6 6.4 - 31.0
DHW output (kW) max n/a n/a n/a n/a
DHW flow rate l/min.
35°C rise
n/a n/a n/a n/a
SEDBUK rating (2005) % 91.1 91 91 91.1
SEDBUK rating
(2009/2012) %
89.3 89.2 89.5 89.6
NOx classification CLASS 5 CLASS 5 CLASS 5 CLASS 5
Adjustable to LPG No No Yes Yes
Condensing boiler Yes Ye s Yes Yes
Seasonal space heating
efficiency class
A A A A
Rated heat output kW 15 18 24 30
Seasonal space heating
energy efficiency η
son %
93 92 93 93
Sound power level,
indoors L
WA dB
41 42 45 45
Water heating energy
efficiency class
n/a n/a n/a n/a