After reading several post about being able to monitor pool temp I put this together. It’s comprised of the Fibaro door/window sensor, waterproof project box, temp probe DS18B20 and some pvc. The temp probe fits nicely into a 1/4 push connector with 3/8” male threads. The only modification I did to the connector was to drill the inside of the threaded end to allow me to push the probe all the way in. Originally, my goal was to use the probe to turn my pool on and off but my placement only allows me to monitor temp when poor is running as the plumbing quickly cools to surrounding air temp when pool is off. I’ll move into the skimmer in the off season.