Zip 92415UK service kit for hydroboil and hydroboil plus 10 - 40 Ltrs generation 2Zip 92415UK Service Kit for Hydroboil & Hydroboil Plus 10 - 40 Ltrs Generation2 Product no. 92414UK Contains: Float Ball Seal Jumper Valve EPDM Gasket, Cistern Lid Stem Elbow 1/4" John Guest Gasket Inspect Hole 2000B Grommet Thermostat All Models Seal Transfer Tube 2000B Grommet Cist-Tank 2000B