Harness - Mains Voltage ErP. PLEASE NOTE: This is compatible with boilers which have a serial number beginning with ADH and ADP. If you have a boiler with a serial number beginning ACH, you will require harness ICB317002. If the serial number starts with AAZ you will need harness ICB317001.
GB24 SII ErP-Boilers with s/n beginning ADH or ADP
GB30 SII ErP-Boilers with s/n beginning ADH or ADP
GB30 SII ErP-Boilers with s/n beginning ADH or ADP
