Features & Benefits

Available in a choice of DHW outputs, 26, 33 and 38 kW, the Logic Code Combi ESP1, provides a perfect solution for both new build and retrofit solutions where energy efficiency is of key concern.

  • Flexible warranty options
  • Achieves optium SAP and DER ratings for standard combination boiler usage
  • Compact single piece install
  • Easy to see pressure gauge
  • LPG conversions available
  • Large back-lit display
  • Energy Saving Trust endorced
  • Higher DHW flow rates than standard boiler (10%)
  • Built in stainless steel recuperator
  • Wide range of additional flueing options
  • Built-in pipework; no extra space at the side of the product needed
  • Standard combination connections
  • Boiler frost protection
  • Preformed copper tails and pre-wired mains lead


2 year warranty. Parts and labour warranty available when registered within 30 days of installation and serviced annually. Subject to Terms and Conditions.

  • Test Uk 3 MADE IN UK
  • Badge 2Yr Warranty 2 YEAR WARRANTY
  • Badge Digi Display DIGITAL DISPLAY
  • Badge Flue Variants FLUE VARIANTS
  • Badge Good Housekeeping GOOD HOUSEKEEPING 2018
  • Badge Nox Class 6 NOX CLASS 6
  • Badge Compact COMPACT
  • Badge Frost Protection FROST PROTECTION
  • Badge Bim BIM
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Technical Specification

Weight (packaged) kg37.337.437.5
Max installation weight kg34.334.434.5
CH output (kW) min/max mean 70°C4.8 - 24.26.1 - 24.2 7.1 - 24.2
CH output (kW) min/max mean 40°C5.1 - 25.66.4 - 25.67.5 - 25.6
DHW output (kW) max26.132.738.2
DHW flow rate l/min. 35°C rise10.713.415.7
SEDBUK rating (2005) %
SEDBUK rating (2009/2012) %89.689.689.6
NOx classificationCLASS 6CLASS 6CLASS 6
Convert to LPGNoYesYes
Max horizontal flue**9m8m6m
Max vertical flue**7.5m7.5m7.5m
Powered vertical flue22m22m22m
Condensing boilerYesYesYes
Seasonal space heating efficiency classAAA
Rated heat output kW242424
Seasonal space heating energy efficiency ŋs %949494
Sound power level, indoors LWA dB494744
Water heating energy efficiency classAAA
PCDF Numbers - Natural Gas 018121018122018123
PCDF Numbers - Propane (Conversion Kit)018124018125

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