Worcester Bosch TR2 Greenstar Room Thermostat 8737706267

The Worcester Bosch TR2 is a room thermostat supplied for use with Greenstar appliances. It measures the air temperature in the room it is installed in and signals the boiler to bring the heating on or off to hold the set temperature. It is identified by Worcester Bosch part number 8737706267.

• The boiler does not respond when the thermostat is turned up or down.
• The room temperature drifts well above or below the set point.
• The thermostat display is blank, flickering or unreadable.
• The heating stays on continuously or fails to come on at all.
• The thermostat feels loose, damaged or shows signs of moisture ingress.

• Confirm the part number on the existing thermostat matches 8737706267.
• Check the appliance model and, where applicable, the GC number against the manufacturer's parts list.
• Inspect the existing wiring and mounting position before removal so the new unit can be refitted the same way.
• Verify whether the fault lies with the thermostat or with the boiler controls before ordering.