We need a PCB designed with a program to run it, to control swimming pool heaters.
Budget: £1,500 – £3,000 GBP
The PCB thermostat needs to run on 220/230V 50/60 hertz, it needs to have two NTC probes one for measuring water temperature and one for safety (excess water temperature shutdown), rotary, measure from +/-1 0-40 degrees Celsius, it needs to have built in contact suppressor.