There are 3 Heater plate models - 5430, 5431, 5457 each is designed to match with the PCB.
There are 6 PCB Models - 9-5128, 9-5113, 9-5124, 9-5100, 9-5000, 9-5000ELS
PCB-HEATER MATRIX
PUMP MODEL PCB HEATER PLATE
XTRA HEAT 9-5128 5430
EEZI TOUCH 9-5113 5430
EEZI TOUCH 9-5124-ET 5430
SENSA TOUCH 9-5100 5431
SENSA TOUCH 9-5124 5457
SPA-KEY 9-5000 5431
SPA-KEY 9-5000 ELS 5457
ALL ELECTRICAL COMPONENTS MUST BE SERVICED BY EDGETEC, AUTHORISED SERVICE AGENT OR QUALIFIED PERSON.