Merley boiler sequence controller
Boiler sequence controller for up to 16 modules in cascade or unison mode.

A common controls platform that can be used with the Wessex ModuMax mk3, Fleet, Stratton mk2 and Purewell VariHeat modular boilers.

  • Allows efficient control of heating and hot water plant.
  • Intelligent temperature control functions.
  • Reduces carbon emissions of system.
  • Ensures even use of boilers improving life expectancy. 
  • Choice of hard wired or easy to install wireless sensors.
  • Versatility in control strategy including DHW management, standalone control or integration with a BMS.
  • Satisfies the Building Regulations recommended minimum standards
  • Choice of loose kit for installation with plant room control panel or as a pre-housed unit for independent wall mounting.
  • Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.
See how efficient control of your commercial heating system can reduce energy usage and save money on your heating gas bills.
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Merley sequence controller brochure Merley sequence controller brochure Product brochures 788 kB Download
Merley sequence controller dimensions Merley sequence controller dimensions Dimensions 168 kB Download
Merley boiler sequence controller installation manual Merley boiler sequence controller installation manual Installers guides 2228 kB Download
Merley sequence controls wiring diagram Merley sequence controls wiring diagram Wiring diagrams 75 kB Download

  • Multiple boiler systems
  • Loose kit controller
  • External air sensor
  • Choice of room sensors
  • Hard wired controls
  • Wireless controls
  • Domestic hot water sensor
  • Strap on flow temperature sensor