Features & Benefits

Available in a choice of four outputs: 15kW, 18kW, 24kW and 30kW.

  • Flexible warranty options
  • Compact cupboard fit
  • Low lift weight (starting from 26.1kg)
  • Easy to see pressure gauge
  • Wide range of flueing options
  • LPG conversion available
  • Large back-lit display
  • Energy Saving Trust endorsed
  • Fully modulating operation to low outputs
  • Boiler frost protection
  • Preformed copper tails and pre-wired mains lead
  • Weather compensation kit option
  • Built-in condensate trap
  • Concealed pipe connections
  • Stand-off kit and pre-pipe options
  • Universal condensate connection
  • Badge Digi Display LARGE COLOUR SCREEN
  • Badge ERP ERP COMPLIANT
  • Badge Nox Class 6 NOX CLASS 6
  • Badge Good Housekeeping GOOD HOUSEKEEPING 2018
  • Badge Compact COMPACT
  • Badge Frost Protection FROST PROTECTION
  • Test Uk 3 DESIGNED IN THE UK
  • Badge Bim BIM

Technical Specification

BOILER MODEL S15 S18 S24 S30
Weight (packaged) kg 31.5 31.5 31.5 31.5
Max installation weight kg 26.1 26.1 26.1 26.1
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 rating I/min. 35°C rise n/a n/a n/a n/a
SEDBUK rating (2005) % 91.2 91.1 91.2 91.1
SEDBUK rating (2009/2012) % 89.4 89.7 89.7 89.6
NOx classification CLASS 5 CLASS 5 CLASS 5 CLASS 5
Convert to LPG No No No Yes
Max horizontal flue 9m 9m 9m 8m
Max vertical flue 7.5m 7.5m 7.5m 7.5m
Powered vertical flue 22m 22m 22m 22m
Condensing boiler Yes Yes Yes Yes
Seasonal space heating efficiency class A A A A
Related heat output kW 15 18 24 30
Seasonal space heating energy efficiency ŋs % 93 93 94 93
Sound power level, indoors Lwa dB 44 46 48 48
Water heating energy efficiency class n/a n/a n/a n/a
PCDB Numbers - Natural Gas 018045 018047 018049 018051
PCDB Numbers - Propane (Conversion Kit) 018064

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