I use solar panels to heat my pool. I use two sensors, A Hayward Goldline valve actuator GVA-24, and a Hayward Goldline GL-235 Solar pool controller. Ever since lightening struck near my house and destroyed my computer and satellite TV receiver my pool heating system hasn't been working properly. If the pool temperature is 27°C the valve will open once it is moved up to 24 rather than at 27°.
The local pool guy says I should replace my whole system but his office person says he is just trying to make sales. Technicians came and checked my system and thought it might be the sensors ($1,200US each!). It has been 4 weeks now and I'm not getting anywhere. Does anyone have nay thought s about this?