Features & Benefits

  • 2 year parts and labour warranty*
  • Compact floor-standing design is ideal for replacement situations
  • User friendly status display , plus
  • Range of outputs available
  • ErP compliant
  • Temperature control and diagnostics for rapid servicing
  • Optional remote user kit
  • Boiler frost protection
  • Badge Uk Manufacturing MADE IN UK
  • Badge Digi Display DIGITAL DISPLAY
  • Badge Compact COMPACT
  • Badge 2Yr Warranty 2 YEAR WARRANTY
  • Badge Frost Protection FROST PROTECTION
  • Badge Flue Variants FLUE VARIANTS
  • Badge Nox Class5 NOX CLASS 5
  • Badge Erp Compliant 1 ERP HEATING COMPLIANT


*2 year parts and labour warranty available when registered within 30 days of installation. *Subject to terms and conditions.

Technical Specification

Perfect for situations when replacing an old floor standing standard efficiency boiler. Mexico is highly efficient, recommended by the Energy Saving Trust and comes complete with a 2 year parts and labour warranty as standard.

MEX 15MEX 18MEX 24MEX 30MEX 36
Height mm850850850850850
Width mm450450450450450
Depth mm530530530530530
Weight (packaged) kg55.455.455.46969
Max installation weight kg5252526868
CH output (kW) min/Max @ 70°C8.8 - 14.68.8 - 18.28.8 - 23.410.6 - 30.110.6 - 37.0
CH output (kW) min/Max @ 40°C9.6 - 15.59.6 - 19.29.6 - 25.111.4 - 32.811.4 - 39.8
DHW output (kW) maxn/an/an/an/an/a
DHW flow rate I/min. 35°C risen/an/an/an/an/a
SEDBUK rating (2005) %90.490.390.290.490.7
Adjustable to LPGNoNoNoNoNo
Max horizontal6m6m6m3m3m
Max vertical7.5m7.5m7.5m5m5m
Powered verticalNoNoNoNoNo
Condensing boilerYesYesYesYesYes
Low temperature boilerNoNoNoNoNo
B1 boilerNoNoNoNoNo
Equipped with a supplementary heaterNoNoNoNoNo
Cogeneration space heaterNoNoNoNoNo
Combination heaterNoNoNoNoNo
Nominal heat output for space heating
Full load P4 kW14.818.323.830.137.1
Part load P1 kW5.
Auxiliary electricity consumption
Full load ELmax kW00.3800.3800.380.0420.042
Part load ELmin kW0.0240.0240.0240.0280.028
Standby Psa kW0.
Seasonal space heating energy efficiency
Full load ŋ4 %88.588.287.988.589.0
Part load ŋ1 %99.098.597.197.297.3
Standby loss Pstby kW0.0550.0550.0550.0550.055
Ignition Pign kW00000
Emissions NOx mg/kWh1613192025
Annual Energy consumption Qhe GJ46577594116
Sound power level, indoors Lwa dB4041424545

Controls & accessories

  • Product Ideal System Filter

    Ideal System Filter

    The Ideal System Filter is a magnetic filter for use with all Ideal boilers. The compact forged brass design is easy to install and fits on horizontal or vertical pipework in both flow directions. 

    View product

Our awards

  • Good Housekeeping 2018

    Good Housekeeping Reader Recommended

    We’re proud to have gained this prestigious endorsement for the second time – a 161 strong reader survey means our boilers come highly recommended.

  • Quiet Mark

    Quiet Mark

    Our Logic+ range joined 70 leading global brands in winning a Quiet Mark from the Noise Abatement Society – we’re only the second UK boiler manufacturer to achieve this accolade.

  • Disability Committed Logo

    Disability Confident Committed

    We’re proud to have won this award and are proud to be helping create opportunities enabling disabled people to fulfil their potential and realise their aspirations.