Sorry for the long delay in responding. I've been away from this thread for a while.
I would be glad to post the code, if you are still interested. It may take a day or two, I've had to replace hard drives on my PC and will have to pull the files off of back up.
I have added a delayed start for a two-tier reverse flow system that I'm experimenting with. This is based on Mathos code modified for degrees F.
In the two-tier mode the pump does not run for the initial mash temp stage. Then the pump starts during mash-in and stops at mash-out.
The system...
