I'm using a Honeywell Aquastat on my OWB, and have the water temp set at a max of 140 degrees (for now). I have the differential on the aquastat set to 15 degrees.
NOW FOR OPINIONS: What differential is everyone using? Is a smaller differential better,,,, i.e. kick on more often, and for less time each cycle?? OR,,,,,a larger differential making the draft fan run longer, but less often??
I thought I might try a few different settings and see if the wood usage is better. Loading 2 times a day fairly full with temps. this morning at 14 here in western WV. I am finding that the larger the wood I can get in it,,, the longer it lasts. I know the weight of the wood is the key factor here, but it is hard to load a full load of smaller wood that will weigh as much as a couple large pieces.
I bought a moisture meter, and most of my wood is in the low 20 percent moisture. An occasional in the teens, and an occasional in the low 30 percent range.