It is recommended that your HIU and hea�ng system is serviced regularly and that the appropriate Service Interval Record is completed.
Notes for the Service Provider. Before the appropriate Service Record below, please ensure that you have carried out the service as
described in the manufacturer's Always use the manufacturer's spare part when replacing controls.
SERVICE 01 Date: SERVICE 02 Date:
Engineer name: Engineer name:
Company name: Company name:
Telephone number: Telephone number:
Primary pressure: kPa Primary pressure: kPa
Primary strainer checked and cleaned as necessary: Yes Primary strainer checked and cleaned as necessary: Yes
Primary temperature: Flow °C Return °C Primary temperature: Flow °C Return °C
CH Temperature: Flow °C Return °C CH Temperature: Flow °C Return °C
CH system checked and cleaned (if Yes CH system checked and cleaned (if Yes
CH system expansion vessel pressure checked / adjusted Yes CH system expansion vessel pressure checked / adjusted Yes
CH system pressure checked / adjusted as necessary Yes CH system pressure checked / adjusted as necessary Yes
DHW Cold / Hot temperature: Flow °C Return °C DHW Cold / Hot temperature: Flow °C Return °C
Signature Signature
SERVICE 03 Date: SERVICE 04 Date:
Engineer name: Engineer name:
Company name: Company name:
Telephone number: Telephone number:
Primary pressure: kPa Primary pressure: kPa
Primary strainer checked and cleaned as necessary: Yes Primary strainer checked and cleaned as necessary: Yes
Primary temperature: Flow °C Return °C Primary temperature: Flow °C Return °C
CH Temperature: Flow °C Return °C CH Temperature: Flow °C Return °C
CH system checked and cleaned (if Yes CH system checked and cleaned (if Yes
CH system expansion vessel pressure checked / adjusted Yes CH system expansion vessel pressure checked / adjusted Yes
CH system pressure checked / adjusted as necessary Yes CH system pressure checked / adjusted as necessary Yes
DHW Cold / Hot temperature: Flow °C Return °C DHW Cold / Hot temperature: Flow °C Return °C
Signature Signature
SERVICE 05 Date: SERVICE 06 Date:
Engineer name: Engineer name:
Company name: Company name:
Telephone number: Telephone number:
Primary pressure: kPa Primary pressure: kPa
Primary strainer checked and cleaned as necessary: Yes Primary strainer checked and cleaned as necessary: Yes
Primary temperature: Flow °C Return °C Primary temperature: Flow °C Return °C
CH Temperature: Flow °C Return °C CH Temperature: Flow °C Return °C
CH system checked and cleaned (if Yes CH system checked and cleaned (if Yes
CH system expansion vessel pressure checked / adjusted Yes CH system expansion vessel pressure checked / adjusted Yes
CH system pressure checked / adjusted as necessary Yes CH system pressure checked / adjusted as necessary Yes
DHW Cold / Hot temperature: Flow °C Return °C DHW Cold / Hot temperature: Flow °C Return °C
Signature Signature
SERVICE 07 Date: SERVICE 08 Date:
Engineer name: Engineer name:
Company name: Company name:
Telephone number: Telephone number:
Primary pressure: kPa Primary pressure: kPa
Primary strainer checked and cleaned as necessary: Yes Primary strainer checked and cleaned as necessary: Yes
Primary temperature: Flow °C Return °C Primary temperature: Flow °C Return °C
CH Temperature: Flow °C Return °C CH Temperature: Flow °C Return °C
CH system checked and cleaned (if Yes CH system checked and cleaned (if Yes
CH system expansion vessel pressure checked / adjusted Yes CH system expansion vessel pressure checked / adjusted Yes
CH system pressure checked / adjusted as necessary Yes CH system pressure checked / adjusted as necessary Yes
DHW Cold / Hot temperature: Flow °C Return °C DHW Cold / Hot temperature: Flow °C Return °C
Signature Signature