Will this work on a solar hybrid water heater?

Good morning, this is Selina from Intermatic Consumer Services. Thank you for your question on our Electric Water Heater Timer. Yes, this model will work with a solar hybrid water heater as long as the heater does not exceed the timer's ratings. If you have any questions on this, please feel free to contact our Technical Support team. You can reach Technical Support by email at techsupport@intermatic.com or by phone at 815-675-7000. Thank you again, we appreciate your business!