Greenstar Comfort Compatibility

The below controls are compatible with the Greenstar 8000, 4000 and 2000.

2000 and 8000 boilers

Greenstar Comfort+ II RF

All the features of Greenstar Comfort+ and Comfort+ I RF (see below) combined in one unit, while also including:

  • 6 adjustable CH temperatures for each set-point per day.
  • Programme and control CH and DHW at the room thermostat - perfect for boilers that are not easily accessible.
  • New Comfort+ Outdoor Weather Sensor supplied as optional extra, controls the temperature of the heating system in response to outdoor conditions.

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Comfort RF Key

Greenstar Comfort+ Stat RF

  • Pre-paired wireless room thermostat and RF key receiver.
  • Perfect replacing an existing, less efficient room thermostat.
  • Compatible with existing, external 230V programmers or MT20.

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Comfort Stat RF Key

Greenstar Comfort+ (8000 Style and 4000 only)

  • Activates timer functionality via boiler display.
  • 7-day time control for CH and DHW.
  • 3 adjustable CH and DHW time periods.
  • Use with Sense I for Boiler+ compliance.

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Comfort Key

Greenstar Comfort+ I RF (8000 Style and 4000 only)

All the features of Comfort+ while also including:

  • Pre-paired wireless room thermostat and RF key receiver.
  • Load compensation for enhanced efficiency.

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Comfort RF Key


Worcester Bosch technical support

Technical support

Should you have any technical queries on our range of controls, please call our controls technical support team on 0330 123 3641.