I have controlled a fan with this thermostat in a similar case. It can turn on as low as 90 F. https://www.homedepot.com/p/Emerson-Adjustable-Snap-Disc-Fan-Control-Temp-Range-90-to-130-3F05-1/306883… (View Post)
@webers3 That phantom 11.3v was probably due to the tiny current which powers the “red fuse is blown” LED in the WFCO. The LED is usually shorted out by the fuse, but when that’s blown a trickle curr… (View Post)
I installed a transfer switch and inverter, for the same reason. To prevent the converter from drawing down the battery, most of the time its circuit breaker is turned off. (The two solar panels usu… (View Post)