Pump Head Kit ErP. PLEASE NOTE: This is compatible with boilers which have a serial number beginning with ADH or ADP. If you have a boiler with a serial number beginning AAZ or ACH, you will require pump ICB108001.
GB24 SII ErP-Boilers with s/n beginning ADH or ADP
GB24 SIII
GB24 IV
GB30 SII ErP-Boilers with s/n beginning ADH or ADP
GB30 SIII
GB30 IV
GB24 SIII
GB24 IV
GB30 SII ErP-Boilers with s/n beginning ADH or ADP
GB30 SIII
GB30 IV