Features & Benefits

  • 10 year warranty*
  • Large high resolution colour screen
  • Compatible with the Halo smart programmable room thermostat range
  • Compact cupboard fit for a discrete install
  • Comes with an Ideal System Filter to maintain and protect your heating system
  • Sleek modern design
  • Quick and easy to install and service
  • Compatible with green heating technologies including solar thermal and hybrid systems

*Quiet Mark is excluded on the Logic Max Heat 12kW model.


*10 year parts and labour warranty available when registered within 30 days of installation and serviced annually. Subject to Terms & Conditions.

Please note you do not need to be Max Accredited to install the Logic Max.

  • Badge 10Yr Warranty 10 YEAR WARRANTY*
  • Badge Compact COMPACT
  • Badge Digi Display LARGE COLOUR SCREEN
  • Badge Quiet Mark QUIET MARK
  • Badge Low Weight LOW LIFT WEIGHT
  • Badge Simple Install SIMPLE TO INSTALL
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Technical Specification

Available in outputs including 12kW, 15kW, 18kW, 24kW and 30kW.

LOGIC MAX HEAT MODELS 12 15 18 24 30
LOGIC MAX HEAT² MODELS 27 27 27 27 27
Max Installation weight kg 21.9 21.9 21.9 21.9 21.9
CH Output(kW) min/max mean 70ºC 4.8-12.0 4.8-15.0 4.8-18.0 4.8-24.2 6.1-30.3
CH Output(kW) min/max mean 40ºC 5.1-13.0 5.1-15.9 5.1-19.1 5.1-25.6 6.4-31.0
SEDBUK rating (2005)% 91.1 91.2 91.1 91.2 91.1
SEDBUK rating (2009/2012)% 89.4 89.4 89.7 89.7 89.6
NOx Classification Class 6 Class 6 Class 6 Class 6 Class 6
LPG conversion No N0 Yes Yes Yes
Max Horizontal flue 9m 9m 9m 9m 9m
Max Vertical Flue 7.7m 7.5m 7.5m 7.5m 7.5m
Seasonal space heating efficiency class A A A A A
Seasonal space heating energy efficiency µs % 93 93 94 94 93
Sound power level indoors LWA Db 36 42 44 50 50
Sound power level, indoors LWA dB(A) 36 38 41 47 49

Controls & accessories

  • Halo Heat & System RF

    Designed specifically to work with your Ideal Boiler, Ideal Halo Heat & System RF is a wireless programmable room thermostat that provides simple and easy heating control.

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    2 Year Warranty
  • Halo Heat & System Wi-Fi

    Designed specifically to work with your Ideal Boiler, Halo Heat & System Wi-Fi allows heating control anytime, anywhere through the flexible and intuitive Halo app.

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    2 Year Warranty
  • Halo Heat & System 2-Zone Extension

    The Halo Heat & System 2-Zone Upgrade kit means you can now enjoy all the great features and benefits of the Halo controls range on a 2-Zone system. Upgrade either the Halo Heat & System RF or Halo Heat & System Wi-Fi with one simple kit.

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    2 Year Warranty

Useful Resources

Need help with your boiler or control? Download our guides for more technical information on your boiler.

How to buy

Find an Ideal installer

Only fully trained and Gas Safe Registered installers can fit Ideal boilers, so step 1 in your purchase is to choose your local Ideal installer.

How To Buy Hero Boiler